860749255

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{42391}}^1$

素因数の和:42558

約数の個数: 16

約数和(自身を含む): 1074382848

約数和(自身を除く): 213633593

約数列:

[1, 5, 31, 131, 155, 655, 4061, 20305, 42391, 211955, 1314121, 5553221, 6570605, 27766105, 172149851, 860749255]

約数ペア:

[(1, 860749255), (5, 172149851), (31, 27766105), (131, 6570605), (155, 5553221), (655, 1314121), (4061, 211955), (20305, 42391)]