681213208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{82913}}^1$

素因数の和:83011

約数の個数: 32

約数和(自身を含む): 1392955200

約数和(自身を除く): 711741992

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 316, 632, 1027, 2054, 4108, 8216, 82913, 165826, 331652, 663304, 1077869, 2155738, 4311476, 6550127, 8622952, 13100254, 26200508, 52401016, 85151651, 170303302, 340606604, 681213208]

約数ペア:

[(1, 681213208), (2, 340606604), (4, 170303302), (8, 85151651), (13, 52401016), (26, 26200508), (52, 13100254), (79, 8622952), (104, 6550127), (158, 4311476), (316, 2155738), (632, 1077869), (1027, 663304), (2054, 331652), (4108, 165826), (8216, 82913)]