81943862

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{61}}^2$

素因数の和:166

約数の個数: 72

約数和(自身を含む): 169054704

約数和(自身を除く): 87110842

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 61, 77, 91, 121, 122, 143, 154, 182, 242, 286, 427, 671, 793, 847, 854, 1001, 1342, 1573, 1586, 1694, 2002, 3146, 3721, 4697, 5551, 7381, 7442, 8723, 9394, 11011, 11102, 14762, 17446, 22022, 26047, 40931, 48373, 51667, 52094, 61061, 81862, 95953, 96746, 103334, 122122, 191906, 286517, 338611, 450241, 532103, 573034, 671671, 677222, 900482, 1064206, 1343342, 3151687, 3724721, 5853133, 6303374, 7449442, 11706266, 40971931, 81943862]

約数ペア:

[(1, 81943862), (2, 40971931), (7, 11706266), (11, 7449442), (13, 6303374), (14, 5853133), (22, 3724721), (26, 3151687), (61, 1343342), (77, 1064206), (91, 900482), (121, 677222), (122, 671671), (143, 573034), (154, 532103), (182, 450241), (242, 338611), (286, 286517), (427, 191906), (671, 122122), (793, 103334), (847, 96746), (854, 95953), (1001, 81862), (1342, 61061), (1573, 52094), (1586, 51667), (1694, 48373), (2002, 40931), (3146, 26047), (3721, 22022), (4697, 17446), (5551, 14762), (7381, 11102), (7442, 11011), (8723, 9394)]