321437227792

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{677}}^1\times {\mathrm{2221}}^1$

素因数の和:3368

約数の個数: 80

約数和(自身を含む): 645608392704

約数和(自身を除く): 324171164912

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 431, 496, 677, 862, 1354, 1724, 2221, 2708, 3448, 4442, 5416, 6896, 8884, 10832, 13361, 17768, 20987, 26722, 35536, 41974, 53444, 68851, 83948, 106888, 137702, 167896, 213776, 275404, 291787, 335792, 550808, 583574, 957251, 1101616, 1167148, 1503617, 1914502, 2334296, 3007234, 3829004, 4668592, 6014468, 7658008, 9045397, 12028936, 15316016, 18090794, 24057872, 29674781, 36181588, 46612127, 59349562, 72363176, 93224254, 118699124, 144726352, 186448508, 237398248, 372897016, 474796496, 648058927, 745794032, 1296117854, 2592235708, 5184471416, 10368942832, 20089826737, 40179653474, 80359306948, 160718613896, 321437227792]

約数ペア:

[(1, 321437227792), (2, 160718613896), (4, 80359306948), (8, 40179653474), (16, 20089826737), (31, 10368942832), (62, 5184471416), (124, 2592235708), (248, 1296117854), (431, 745794032), (496, 648058927), (677, 474796496), (862, 372897016), (1354, 237398248), (1724, 186448508), (2221, 144726352), (2708, 118699124), (3448, 93224254), (4442, 72363176), (5416, 59349562), (6896, 46612127), (8884, 36181588), (10832, 29674781), (13361, 24057872), (17768, 18090794), (20987, 15316016), (26722, 12028936), (35536, 9045397), (41974, 7658008), (53444, 6014468), (68851, 4668592), (83948, 3829004), (106888, 3007234), (137702, 2334296), (167896, 1914502), (213776, 1503617), (275404, 1167148), (291787, 1101616), (335792, 957251), (550808, 583574)]