82620811

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{2647}}^1$

素因数の和:2688

約数の個数: 20

約数和(自身を含む): 103838672

約数和(自身を除く): 21217861

約数列:

[1, 7, 13, 49, 91, 343, 637, 2401, 2647, 4459, 18529, 31213, 34411, 129703, 240877, 907921, 1686139, 6355447, 11802973, 82620811]

約数ペア:

[(1, 82620811), (7, 11802973), (13, 6355447), (49, 1686139), (91, 907921), (343, 240877), (637, 129703), (2401, 34411), (2647, 31213), (4459, 18529)]