64275590

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{90529}}^1$

素因数の和:90607

約数の個数: 16

約数和(自身を含む): 117326880

約数和(自身を除く): 53051290

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 90529, 181058, 452645, 905290, 6427559, 12855118, 32137795, 64275590]

約数ペア:

[(1, 64275590), (2, 32137795), (5, 12855118), (10, 6427559), (71, 905290), (142, 452645), (355, 181058), (710, 90529)]