81073816

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1801}}^1$

素因数の和:2155

約数の個数: 32

約数和(自身を含む): 161531280

約数和(自身を除く): 80457464

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 331, 662, 1324, 1801, 2648, 3602, 5627, 7204, 11254, 14408, 22508, 30617, 45016, 61234, 122468, 244936, 596131, 1192262, 2384524, 4769048, 10134227, 20268454, 40536908, 81073816]

約数ペア:

[(1, 81073816), (2, 40536908), (4, 20268454), (8, 10134227), (17, 4769048), (34, 2384524), (68, 1192262), (136, 596131), (331, 244936), (662, 122468), (1324, 61234), (1801, 45016), (2648, 30617), (3602, 22508), (5627, 14408), (7204, 11254)]