156928915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1579}}^1$

素因数の和:1747

約数の個数: 32

約数和(自身を含む): 222969600

約数和(自身を除く): 66040685

約数列:

[1, 5, 11, 13, 55, 65, 139, 143, 695, 715, 1529, 1579, 1807, 7645, 7895, 9035, 17369, 19877, 20527, 86845, 99385, 102635, 219481, 225797, 1097405, 1128985, 2414291, 2853253, 12071455, 14266265, 31385783, 156928915]

約数ペア:

[(1, 156928915), (5, 31385783), (11, 14266265), (13, 12071455), (55, 2853253), (65, 2414291), (139, 1128985), (143, 1097405), (695, 225797), (715, 219481), (1529, 102635), (1579, 99385), (1807, 86845), (7645, 20527), (7895, 19877), (9035, 17369)]