257843976

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:607

約数の個数: 96

約数和(自身を含む): 704301120

約数和(自身を除く): 446457144

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 151, 156, 169, 302, 312, 338, 421, 453, 507, 604, 676, 842, 906, 1014, 1208, 1263, 1352, 1684, 1812, 1963, 2028, 2526, 3368, 3624, 3926, 4056, 5052, 5473, 5889, 7852, 10104, 10946, 11778, 15704, 16419, 21892, 23556, 25519, 32838, 43784, 47112, 51038, 63571, 65676, 71149, 76557, 102076, 127142, 131352, 142298, 153114, 190713, 204152, 213447, 254284, 284596, 306228, 381426, 426894, 508568, 569192, 612456, 762852, 826423, 853788, 1525704, 1652846, 1707576, 2479269, 3305692, 4958538, 6611384, 9917076, 10743499, 19834152, 21486998, 32230497, 42973996, 64460994, 85947992, 128921988, 257843976]

約数ペア:

[(1, 257843976), (2, 128921988), (3, 85947992), (4, 64460994), (6, 42973996), (8, 32230497), (12, 21486998), (13, 19834152), (24, 10743499), (26, 9917076), (39, 6611384), (52, 4958538), (78, 3305692), (104, 2479269), (151, 1707576), (156, 1652846), (169, 1525704), (302, 853788), (312, 826423), (338, 762852), (421, 612456), (453, 569192), (507, 508568), (604, 426894), (676, 381426), (842, 306228), (906, 284596), (1014, 254284), (1208, 213447), (1263, 204152), (1352, 190713), (1684, 153114), (1812, 142298), (1963, 131352), (2028, 127142), (2526, 102076), (3368, 76557), (3624, 71149), (3926, 65676), (4056, 63571), (5052, 51038), (5473, 47112), (5889, 43784), (7852, 32838), (10104, 25519), (10946, 23556), (11778, 21892), (15704, 16419)]