1388790736

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{662591}}^1$

素因数の和:662730

約数の個数: 20

約数和(自身を含む): 2711326464

約数和(自身を除く): 1322535728

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 662591, 1325182, 2650364, 5300728, 10601456, 86799421, 173598842, 347197684, 694395368, 1388790736]

約数ペア:

[(1, 1388790736), (2, 694395368), (4, 347197684), (8, 173598842), (16, 86799421), (131, 10601456), (262, 5300728), (524, 2650364), (1048, 1325182), (2096, 662591)]