131831375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2617}}^1$

素因数の和:2676

約数の個数: 32

約数和(自身を含む): 182966784

約数和(自身を除く): 51135409

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 325, 403, 775, 1625, 2015, 2617, 3875, 10075, 13085, 34021, 50375, 65425, 81127, 170105, 327125, 405635, 850525, 1054651, 2028175, 4252625, 5273255, 10140875, 26366275, 131831375]

約数ペア:

[(1, 131831375), (5, 26366275), (13, 10140875), (25, 5273255), (31, 4252625), (65, 2028175), (125, 1054651), (155, 850525), (325, 405635), (403, 327125), (775, 170105), (1625, 81127), (2015, 65425), (2617, 50375), (3875, 34021), (10075, 13085)]