7961110

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 15070464

約数和(自身を除く): 7109354

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 155, 305, 310, 421, 610, 842, 1891, 2105, 3782, 4210, 9455, 13051, 18910, 25681, 26102, 51362, 65255, 128405, 130510, 256810, 796111, 1592222, 3980555, 7961110]

約数ペア:

[(1, 7961110), (2, 3980555), (5, 1592222), (10, 796111), (31, 256810), (61, 130510), (62, 128405), (122, 65255), (155, 51362), (305, 26102), (310, 25681), (421, 18910), (610, 13051), (842, 9455), (1891, 4210), (2105, 3782)]