81655268

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{359}}^1\times {\mathrm{563}}^1$

素因数の和:1027

約数の個数: 24

約数和(自身を含む): 144970560

約数和(自身を除く): 63315292

約数列:

[1, 2, 4, 101, 202, 359, 404, 563, 718, 1126, 1436, 2252, 36259, 56863, 72518, 113726, 145036, 202117, 227452, 404234, 808468, 20413817, 40827634, 81655268]

約数ペア:

[(1, 81655268), (2, 40827634), (4, 20413817), (101, 808468), (202, 404234), (359, 227452), (404, 202117), (563, 145036), (718, 113726), (1126, 72518), (1436, 56863), (2252, 36259)]