77818910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{2837}}^1$

素因数の和:3068

約数の個数: 32

約数和(自身を含む): 151617312

約数和(自身を除く): 73798402

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 211, 422, 1055, 2110, 2743, 2837, 5486, 5674, 13715, 14185, 27430, 28370, 36881, 73762, 184405, 368810, 598607, 1197214, 2993035, 5986070, 7781891, 15563782, 38909455, 77818910]

約数ペア:

[(1, 77818910), (2, 38909455), (5, 15563782), (10, 7781891), (13, 5986070), (26, 2993035), (65, 1197214), (130, 598607), (211, 368810), (422, 184405), (1055, 73762), (2110, 36881), (2743, 28370), (2837, 27430), (5486, 14185), (5674, 13715)]