400120981

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1\times {\mathrm{2617}}^1$

素因数の和:3268

約数の個数: 16

約数和(自身を含む): 454484800

約数和(自身を除く): 54363819

約数列:

[1, 13, 19, 247, 619, 2617, 8047, 11761, 34021, 49723, 152893, 646399, 1619923, 21058999, 30778537, 400120981]

約数ペア:

[(1, 400120981), (13, 30778537), (19, 21058999), (247, 1619923), (619, 646399), (2617, 152893), (8047, 49723), (11761, 34021)]