639082522

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{61297}}^1$

素因数の和:61713

約数の個数: 16

約数和(自身を含む): 1034955432

約数和(自身を除く): 395872910

約数列:

[1, 2, 13, 26, 401, 802, 5213, 10426, 61297, 122594, 796861, 1593722, 24580097, 49160194, 319541261, 639082522]

約数ペア:

[(1, 639082522), (2, 319541261), (13, 49160194), (26, 24580097), (401, 1593722), (802, 796861), (5213, 122594), (10426, 61297)]