81368464

素因数分解:

$2^4\times {\mathrm{151}}^1\times {\mathrm{33679}}^1$

素因数の和:33838

約数の個数: 20

約数和(自身を含む): 158700160

約数和(自身を除く): 77331696

約数列:

[1, 2, 4, 8, 16, 151, 302, 604, 1208, 2416, 33679, 67358, 134716, 269432, 538864, 5085529, 10171058, 20342116, 40684232, 81368464]

約数ペア:

[(1, 81368464), (2, 40684232), (4, 20342116), (8, 10171058), (16, 5085529), (151, 538864), (302, 269432), (604, 134716), (1208, 67358), (2416, 33679)]