78644555

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{2131}}^1$

素因数の和:2219

約数の個数: 24

約数和(自身を含む): 105482832

約数和(自身を除く): 26838277

約数列:

[1, 5, 11, 55, 61, 121, 305, 605, 671, 2131, 3355, 7381, 10655, 23441, 36905, 117205, 129991, 257851, 649955, 1289255, 1429901, 7149505, 15728911, 78644555]

約数ペア:

[(1, 78644555), (5, 15728911), (11, 7149505), (55, 1429901), (61, 1289255), (121, 649955), (305, 257851), (605, 129991), (671, 117205), (2131, 36905), (3355, 23441), (7381, 10655)]