28950642

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 80640000

約数和(自身を除く): 51689358

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 29, 38, 42, 54, 57, 58, 63, 87, 114, 126, 133, 139, 171, 174, 189, 203, 261, 266, 278, 342, 378, 399, 406, 417, 513, 522, 551, 609, 783, 798, 834, 973, 1026, 1102, 1197, 1218, 1251, 1566, 1653, 1827, 1946, 2394, 2502, 2641, 2919, 3306, 3591, 3654, 3753, 3857, 4031, 4959, 5282, 5481, 5838, 7182, 7506, 7714, 7923, 8062, 8757, 9918, 10962, 11571, 12093, 14877, 15846, 17514, 18487, 23142, 23769, 24186, 26271, 28217, 29754, 34713, 36279, 36974, 47538, 52542, 55461, 56434, 69426, 71307, 72558, 76589, 84651, 104139, 108837, 110922, 142614, 153178, 166383, 169302, 208278, 217674, 229767, 253953, 332766, 459534, 499149, 507906, 536123, 689301, 761859, 998298, 1072246, 1378602, 1523718, 1608369, 2067903, 3216738, 4135806, 4825107, 9650214, 14475321, 28950642]

約数ペア:

[(1, 28950642), (2, 14475321), (3, 9650214), (6, 4825107), (7, 4135806), (9, 3216738), (14, 2067903), (18, 1608369), (19, 1523718), (21, 1378602), (27, 1072246), (29, 998298), (38, 761859), (42, 689301), (54, 536123), (57, 507906), (58, 499149), (63, 459534), (87, 332766), (114, 253953), (126, 229767), (133, 217674), (139, 208278), (171, 169302), (174, 166383), (189, 153178), (203, 142614), (261, 110922), (266, 108837), (278, 104139), (342, 84651), (378, 76589), (399, 72558), (406, 71307), (417, 69426), (513, 56434), (522, 55461), (551, 52542), (609, 47538), (783, 36974), (798, 36279), (834, 34713), (973, 29754), (1026, 28217), (1102, 26271), (1197, 24186), (1218, 23769), (1251, 23142), (1566, 18487), (1653, 17514), (1827, 15846), (1946, 14877), (2394, 12093), (2502, 11571), (2641, 10962), (2919, 9918), (3306, 8757), (3591, 8062), (3654, 7923), (3753, 7714), (3857, 7506), (4031, 7182), (4959, 5838), (5282, 5481)]