87288356

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{60449}}^1$

素因数の和:60491

約数の個数: 18

約数和(自身を含む): 161220150

約数和(自身を除く): 73931794

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 60449, 120898, 241796, 1148531, 2297062, 4594124, 21822089, 43644178, 87288356]

約数ペア:

[(1, 87288356), (2, 43644178), (4, 21822089), (19, 4594124), (38, 2297062), (76, 1148531), (361, 241796), (722, 120898), (1444, 60449)]