81471896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{1777}}^1$

素因数の和:2315

約数の個数: 32

約数和(自身を含む): 167060880

約数和(自身を除く): 85588984

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 521, 1042, 1777, 2084, 3554, 4168, 5731, 7108, 11462, 14216, 19547, 22924, 39094, 45848, 78188, 156376, 925817, 1851634, 3703268, 7406536, 10183987, 20367974, 40735948, 81471896]

約数ペア:

[(1, 81471896), (2, 40735948), (4, 20367974), (8, 10183987), (11, 7406536), (22, 3703268), (44, 1851634), (88, 925817), (521, 156376), (1042, 78188), (1777, 45848), (2084, 39094), (3554, 22924), (4168, 19547), (5731, 14216), (7108, 11462)]