209985258

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:292

約数の個数: 128

約数和(自身を含む): 537477120

約数和(自身を除く): 327491862

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 31, 34, 42, 51, 53, 62, 93, 102, 106, 119, 159, 179, 186, 217, 238, 318, 357, 358, 371, 434, 527, 537, 651, 714, 742, 901, 1054, 1074, 1113, 1253, 1302, 1581, 1643, 1802, 2226, 2506, 2703, 3043, 3162, 3286, 3689, 3759, 4929, 5406, 5549, 6086, 6307, 7378, 7518, 9129, 9487, 9858, 11067, 11098, 11501, 12614, 16647, 18258, 18921, 18974, 21301, 22134, 23002, 27931, 28461, 33294, 34503, 37842, 38843, 42602, 55862, 56922, 63903, 66409, 69006, 77686, 83793, 94333, 116529, 127806, 132818, 161279, 167586, 188666, 195517, 199227, 233058, 282999, 294097, 322558, 391034, 398454, 483837, 565998, 586551, 588194, 660331, 882291, 967674, 1128953, 1173102, 1320662, 1764582, 1980993, 2058679, 2257906, 3386859, 3961986, 4117358, 4999649, 6176037, 6773718, 9999298, 12352074, 14998947, 29997894, 34997543, 69995086, 104992629, 209985258]

約数ペア:

[(1, 209985258), (2, 104992629), (3, 69995086), (6, 34997543), (7, 29997894), (14, 14998947), (17, 12352074), (21, 9999298), (31, 6773718), (34, 6176037), (42, 4999649), (51, 4117358), (53, 3961986), (62, 3386859), (93, 2257906), (102, 2058679), (106, 1980993), (119, 1764582), (159, 1320662), (179, 1173102), (186, 1128953), (217, 967674), (238, 882291), (318, 660331), (357, 588194), (358, 586551), (371, 565998), (434, 483837), (527, 398454), (537, 391034), (651, 322558), (714, 294097), (742, 282999), (901, 233058), (1054, 199227), (1074, 195517), (1113, 188666), (1253, 167586), (1302, 161279), (1581, 132818), (1643, 127806), (1802, 116529), (2226, 94333), (2506, 83793), (2703, 77686), (3043, 69006), (3162, 66409), (3286, 63903), (3689, 56922), (3759, 55862), (4929, 42602), (5406, 38843), (5549, 37842), (6086, 34503), (6307, 33294), (7378, 28461), (7518, 27931), (9129, 23002), (9487, 22134), (9858, 21301), (11067, 18974), (11098, 18921), (11501, 18258), (12614, 16647)]