1556163856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{727}}^1$

素因数の和:1040

約数の個数: 80

約数和(自身を含む): 3344035968

約数和(自身を除く): 1787872112

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 251, 328, 502, 533, 656, 727, 1004, 1066, 1454, 2008, 2132, 2908, 3263, 4016, 4264, 5816, 6526, 8528, 9451, 10291, 11632, 13052, 18902, 20582, 26104, 29807, 37804, 41164, 52208, 59614, 75608, 82328, 119228, 133783, 151216, 164656, 182477, 238456, 267566, 364954, 387491, 476912, 535132, 729908, 774982, 1070264, 1459816, 1549964, 2140528, 2372201, 2919632, 3099928, 4744402, 6199856, 7481557, 9488804, 14963114, 18977608, 29926228, 37955216, 59852456, 97260241, 119704912, 194520482, 389040964, 778081928, 1556163856]

約数ペア:

[(1, 1556163856), (2, 778081928), (4, 389040964), (8, 194520482), (13, 119704912), (16, 97260241), (26, 59852456), (41, 37955216), (52, 29926228), (82, 18977608), (104, 14963114), (164, 9488804), (208, 7481557), (251, 6199856), (328, 4744402), (502, 3099928), (533, 2919632), (656, 2372201), (727, 2140528), (1004, 1549964), (1066, 1459816), (1454, 1070264), (2008, 774982), (2132, 729908), (2908, 535132), (3263, 476912), (4016, 387491), (4264, 364954), (5816, 267566), (6526, 238456), (8528, 182477), (9451, 164656), (10291, 151216), (11632, 133783), (13052, 119228), (18902, 82328), (20582, 75608), (26104, 59614), (29807, 52208), (37804, 41164)]