257788595

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{26839}}^1$

素因数の和:26974

約数の個数: 16

約数和(自身を含む): 330454080

約数和(自身を除く): 72665485

約数列:

[1, 5, 17, 85, 113, 565, 1921, 9605, 26839, 134195, 456263, 2281315, 3032807, 15164035, 51557719, 257788595]

約数ペア:

[(1, 257788595), (5, 51557719), (17, 15164035), (85, 3032807), (113, 2281315), (565, 456263), (1921, 134195), (9605, 26839)]