81111310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1753}}^1$

素因数の和:2428

約数の個数: 32

約数和(自身を含む): 167205312

約数和(自身を除く): 86094002

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 661, 1322, 1753, 3305, 3506, 4627, 6610, 8765, 9254, 12271, 17530, 23135, 24542, 46270, 61355, 122710, 1158733, 2317466, 5793665, 8111131, 11587330, 16222262, 40555655, 81111310]

約数ペア:

[(1, 81111310), (2, 40555655), (5, 16222262), (7, 11587330), (10, 8111131), (14, 5793665), (35, 2317466), (70, 1158733), (661, 122710), (1322, 61355), (1753, 46270), (3305, 24542), (3506, 23135), (4627, 17530), (6610, 12271), (8765, 9254)]