87764876

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{60779}}^1$

素因数の和:60821

約数の個数: 18

約数和(自身を含む): 162100260

約数和(自身を除く): 74335384

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 60779, 121558, 243116, 1154801, 2309602, 4619204, 21941219, 43882438, 87764876]

約数ペア:

[(1, 87764876), (2, 43882438), (4, 21941219), (19, 4619204), (38, 2309602), (76, 1154801), (361, 243116), (722, 121558), (1444, 60779)]