91720690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1\times {\mathrm{641}}^1$

素因数の和:1038

約数の個数: 32

約数和(自身を含む): 169873200

約数和(自身を除く): 78152510

約数列:

[1, 2, 5, 10, 41, 82, 205, 349, 410, 641, 698, 1282, 1745, 3205, 3490, 6410, 14309, 26281, 28618, 52562, 71545, 131405, 143090, 223709, 262810, 447418, 1118545, 2237090, 9172069, 18344138, 45860345, 91720690]

約数ペア:

[(1, 91720690), (2, 45860345), (5, 18344138), (10, 9172069), (41, 2237090), (82, 1118545), (205, 447418), (349, 262810), (410, 223709), (641, 143090), (698, 131405), (1282, 71545), (1745, 52562), (3205, 28618), (3490, 26281), (6410, 14309)]