1291200872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{3371}}^1$

素因数の和:3546

約数の個数: 64

約数和(自身を含む): 2719180800

約数和(自身を除く): 1427979928

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 127, 232, 254, 377, 508, 754, 1016, 1508, 1651, 3016, 3302, 3371, 3683, 6604, 6742, 7366, 13208, 13484, 14732, 26968, 29464, 43823, 47879, 87646, 95758, 97759, 175292, 191516, 195518, 350584, 383032, 391036, 428117, 782072, 856234, 1270867, 1712468, 2541734, 3424936, 5083468, 5565521, 10166936, 11131042, 12415393, 22262084, 24830786, 44524168, 49661572, 99323144, 161400109, 322800218, 645600436, 1291200872]

約数ペア:

[(1, 1291200872), (2, 645600436), (4, 322800218), (8, 161400109), (13, 99323144), (26, 49661572), (29, 44524168), (52, 24830786), (58, 22262084), (104, 12415393), (116, 11131042), (127, 10166936), (232, 5565521), (254, 5083468), (377, 3424936), (508, 2541734), (754, 1712468), (1016, 1270867), (1508, 856234), (1651, 782072), (3016, 428117), (3302, 391036), (3371, 383032), (3683, 350584), (6604, 195518), (6742, 191516), (7366, 175292), (13208, 97759), (13484, 95758), (14732, 87646), (26968, 47879), (29464, 43823)]