378702916

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{231481}}^1$

素因数の和:231894

約数の個数: 12

約数和(自身を含む): 664353340

約数和(自身を除く): 285650424

約数列:

[1, 2, 4, 409, 818, 1636, 231481, 462962, 925924, 94675729, 189351458, 378702916]

約数ペア:

[(1, 378702916), (2, 189351458), (4, 94675729), (409, 925924), (818, 462962), (1636, 231481)]