254840255

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{397}}^1$

素因数の和:683

約数の個数: 32

約数和(自身を含む): 335275200

約数和(自身を除く): 80434945

約数列:

[1, 5, 19, 29, 95, 145, 233, 397, 551, 1165, 1985, 2755, 4427, 6757, 7543, 11513, 22135, 33785, 37715, 57565, 92501, 128383, 218747, 462505, 641915, 1093735, 1757519, 2682529, 8787595, 13412645, 50968051, 254840255]

約数ペア:

[(1, 254840255), (5, 50968051), (19, 13412645), (29, 8787595), (95, 2682529), (145, 1757519), (233, 1093735), (397, 641915), (551, 462505), (1165, 218747), (1985, 128383), (2755, 92501), (4427, 57565), (6757, 37715), (7543, 33785), (11513, 22135)]