261218958

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 256

約数和(自身を含む): 767950848

約数和(自身を除く): 506731890

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 23, 26, 31, 33, 39, 42, 46, 61, 62, 66, 69, 77, 78, 91, 93, 122, 138, 143, 154, 161, 182, 183, 186, 217, 231, 253, 273, 286, 299, 322, 341, 366, 403, 427, 429, 434, 462, 483, 506, 546, 598, 651, 671, 682, 713, 759, 793, 806, 854, 858, 897, 966, 1001, 1023, 1209, 1281, 1302, 1342, 1403, 1426, 1518, 1586, 1771, 1794, 1891, 2002, 2013, 2046, 2093, 2139, 2379, 2387, 2418, 2562, 2806, 2821, 3003, 3289, 3542, 3782, 4026, 4186, 4209, 4278, 4433, 4697, 4758, 4774, 4991, 5313, 5551, 5642, 5673, 6006, 6279, 6578, 7161, 7843, 8418, 8463, 8723, 8866, 9269, 9394, 9821, 9867, 9982, 10626, 11102, 11346, 12558, 13237, 13299, 14091, 14322, 14973, 15433, 15686, 16653, 16926, 17446, 18239, 18538, 19642, 19734, 20801, 23023, 23529, 24583, 26169, 26474, 26598, 27807, 28182, 29463, 29946, 30866, 31031, 33306, 36478, 39711, 41602, 43493, 46046, 46299, 47058, 49166, 52338, 54717, 54901, 55614, 58926, 61061, 62062, 62403, 64883, 69069, 73749, 79422, 86986, 92598, 93093, 101959, 108031, 109434, 109802, 122122, 124806, 127673, 129766, 130479, 138138, 145607, 147498, 164703, 172081, 183183, 186186, 194649, 200629, 203918, 216062, 255346, 260958, 270413, 291214, 304451, 305877, 324093, 329406, 344162, 366366, 383019, 389298, 401258, 436821, 478423, 516243, 540826, 565409, 601887, 608902, 611754, 648186, 713713, 766038, 811239, 873642, 913353, 956846, 1032486, 1130818, 1203774, 1404403, 1427426, 1435269, 1622478, 1696227, 1826706, 1892891, 2141139, 2808806, 2870538, 3348961, 3392454, 3785782, 3957863, 4213209, 4282278, 5678673, 6219499, 6697922, 7915726, 8426418, 10046883, 11357346, 11873589, 12438998, 18658497, 20093766, 23747178, 37316994, 43536493, 87072986, 130609479, 261218958]

約数ペア:

[(1, 261218958), (2, 130609479), (3, 87072986), (6, 43536493), (7, 37316994), (11, 23747178), (13, 20093766), (14, 18658497), (21, 12438998), (22, 11873589), (23, 11357346), (26, 10046883), (31, 8426418), (33, 7915726), (39, 6697922), (42, 6219499), (46, 5678673), (61, 4282278), (62, 4213209), (66, 3957863), (69, 3785782), (77, 3392454), (78, 3348961), (91, 2870538), (93, 2808806), (122, 2141139), (138, 1892891), (143, 1826706), (154, 1696227), (161, 1622478), (182, 1435269), (183, 1427426), (186, 1404403), (217, 1203774), (231, 1130818), (253, 1032486), (273, 956846), (286, 913353), (299, 873642), (322, 811239), (341, 766038), (366, 713713), (403, 648186), (427, 611754), (429, 608902), (434, 601887), (462, 565409), (483, 540826), (506, 516243), (546, 478423), (598, 436821), (651, 401258), (671, 389298), (682, 383019), (713, 366366), (759, 344162), (793, 329406), (806, 324093), (854, 305877), (858, 304451), (897, 291214), (966, 270413), (1001, 260958), (1023, 255346), (1209, 216062), (1281, 203918), (1302, 200629), (1342, 194649), (1403, 186186), (1426, 183183), (1518, 172081), (1586, 164703), (1771, 147498), (1794, 145607), (1891, 138138), (2002, 130479), (2013, 129766), (2046, 127673), (2093, 124806), (2139, 122122), (2379, 109802), (2387, 109434), (2418, 108031), (2562, 101959), (2806, 93093), (2821, 92598), (3003, 86986), (3289, 79422), (3542, 73749), (3782, 69069), (4026, 64883), (4186, 62403), (4209, 62062), (4278, 61061), (4433, 58926), (4697, 55614), (4758, 54901), (4774, 54717), (4991, 52338), (5313, 49166), (5551, 47058), (5642, 46299), (5673, 46046), (6006, 43493), (6279, 41602), (6578, 39711), (7161, 36478), (7843, 33306), (8418, 31031), (8463, 30866), (8723, 29946), (8866, 29463), (9269, 28182), (9394, 27807), (9821, 26598), (9867, 26474), (9982, 26169), (10626, 24583), (11102, 23529), (11346, 23023), (12558, 20801), (13237, 19734), (13299, 19642), (14091, 18538), (14322, 18239), (14973, 17446), (15433, 16926), (15686, 16653)]