87399554

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{9907}}^1$

素因数の和:10321

約数の個数: 16

約数和(自身を含む): 143388576

約数和(自身を除く): 55989022

約数列:

[1, 2, 11, 22, 401, 802, 4411, 8822, 9907, 19814, 108977, 217954, 3972707, 7945414, 43699777, 87399554]

約数ペア:

[(1, 87399554), (2, 43699777), (11, 7945414), (22, 3972707), (401, 217954), (802, 108977), (4411, 19814), (8822, 9907)]