1285322512

素因数分解:

$2^4\times {\mathrm{19801}}^1\times {\mathrm{4057}}^1$

素因数の和:23866

約数の個数: 20

約数和(自身を含む): 2491051996

約数和(自身を除く): 1205729484

約数列:

[1, 2, 4, 8, 16, 4057, 8114, 16228, 19801, 32456, 39602, 64912, 79204, 158408, 316816, 80332657, 160665314, 321330628, 642661256, 1285322512]

約数ペア:

[(1, 1285322512), (2, 642661256), (4, 321330628), (8, 160665314), (16, 80332657), (4057, 316816), (8114, 158408), (16228, 79204), (19801, 64912), (32456, 39602)]