256804516808

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9491}}^1\times {\mathrm{4691}}^1$

素因数の和:14298

約数の個数: 64

約数和(自身を含む): 555815070720

約数和(自身を除く): 299010553912

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 4691, 5768, 9382, 9491, 18764, 18982, 32837, 37528, 37964, 65674, 66437, 75928, 131348, 132874, 262696, 265748, 483173, 531496, 966346, 977573, 1932692, 1955146, 3382211, 3865384, 3910292, 6764422, 6843011, 7820584, 13528844, 13686022, 27057688, 27372044, 44522281, 54744088, 89044562, 178089124, 311655967, 356178248, 623311934, 1246623868, 2493247736, 4585794943, 9171589886, 18343179772, 32100564601, 36686359544, 64201129202, 128402258404, 256804516808]

約数ペア:

[(1, 256804516808), (2, 128402258404), (4, 64201129202), (7, 36686359544), (8, 32100564601), (14, 18343179772), (28, 9171589886), (56, 4585794943), (103, 2493247736), (206, 1246623868), (412, 623311934), (721, 356178248), (824, 311655967), (1442, 178089124), (2884, 89044562), (4691, 54744088), (5768, 44522281), (9382, 27372044), (9491, 27057688), (18764, 13686022), (18982, 13528844), (32837, 7820584), (37528, 6843011), (37964, 6764422), (65674, 3910292), (66437, 3865384), (75928, 3382211), (131348, 1955146), (132874, 1932692), (262696, 977573), (265748, 966346), (483173, 531496)]