87905666

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{1117}}^1$

素因数の和:1266

約数の個数: 24

約数和(自身を含む): 140566140

約数和(自身を除く): 52660474

約数列:

[1, 2, 19, 38, 109, 218, 361, 722, 1117, 2071, 2234, 4142, 21223, 39349, 42446, 78698, 121753, 243506, 403237, 806474, 2313307, 4626614, 43952833, 87905666]

約数ペア:

[(1, 87905666), (2, 43952833), (19, 4626614), (38, 2313307), (109, 806474), (218, 403237), (361, 243506), (722, 121753), (1117, 78698), (2071, 42446), (2234, 39349), (4142, 21223)]