291207984894

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{6983}}^1$

素因数の和:7287

約数の個数: 128

約数和(自身を含む): 669793536000

約数和(自身を除く): 378585551106

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 73, 142, 146, 149, 213, 219, 298, 426, 438, 447, 639, 657, 894, 1278, 1314, 1341, 1917, 1971, 2682, 3834, 3942, 4023, 5183, 6983, 8046, 10366, 10579, 10877, 13966, 15549, 20949, 21158, 21754, 31098, 31737, 32631, 41898, 46647, 62847, 63474, 65262, 93294, 95211, 97893, 125694, 139941, 188541, 190422, 195786, 279882, 285633, 293679, 377082, 495793, 509759, 571266, 587358, 772267, 991586, 1019518, 1040467, 1487379, 1529277, 1544534, 2080934, 2316801, 2974758, 3058554, 3121401, 4462137, 4587831, 4633602, 6242802, 6950403, 8924274, 9175662, 9364203, 13386411, 13763493, 13900806, 18728406, 20851209, 26772822, 27526986, 28092609, 36192889, 41702418, 56185218, 72385778, 73873157, 75954091, 108578667, 147746314, 151908182, 217157334, 221619471, 227862273, 325736001, 443238942, 455724546, 651472002, 664858413, 683586819, 977208003, 1329716826, 1367173638, 1954416006, 1994575239, 2050760457, 3989150478, 4101520914, 5392740461, 10785480922, 16178221383, 32356442766, 48534664149, 97069328298, 145603992447, 291207984894]

約数ペア:

[(1, 291207984894), (2, 145603992447), (3, 97069328298), (6, 48534664149), (9, 32356442766), (18, 16178221383), (27, 10785480922), (54, 5392740461), (71, 4101520914), (73, 3989150478), (142, 2050760457), (146, 1994575239), (149, 1954416006), (213, 1367173638), (219, 1329716826), (298, 977208003), (426, 683586819), (438, 664858413), (447, 651472002), (639, 455724546), (657, 443238942), (894, 325736001), (1278, 227862273), (1314, 221619471), (1341, 217157334), (1917, 151908182), (1971, 147746314), (2682, 108578667), (3834, 75954091), (3942, 73873157), (4023, 72385778), (5183, 56185218), (6983, 41702418), (8046, 36192889), (10366, 28092609), (10579, 27526986), (10877, 26772822), (13966, 20851209), (15549, 18728406), (20949, 13900806), (21158, 13763493), (21754, 13386411), (31098, 9364203), (31737, 9175662), (32631, 8924274), (41898, 6950403), (46647, 6242802), (62847, 4633602), (63474, 4587831), (65262, 4462137), (93294, 3121401), (95211, 3058554), (97893, 2974758), (125694, 2316801), (139941, 2080934), (188541, 1544534), (190422, 1529277), (195786, 1487379), (279882, 1040467), (285633, 1019518), (293679, 991586), (377082, 772267), (495793, 587358), (509759, 571266)]