68686696

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{660449}}^1$

素因数の和:660468

約数の個数: 16

約数和(自身を含む): 138694500

約数和(自身を除く): 70007804

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 660449, 1320898, 2641796, 5283592, 8585837, 17171674, 34343348, 68686696]

約数ペア:

[(1, 68686696), (2, 34343348), (4, 17171674), (8, 8585837), (13, 5283592), (26, 2641796), (52, 1320898), (104, 660449)]