31399128

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{3329}}^1$

素因数の和:3472

約数の個数: 48

約数和(自身を含む): 85714200

約数和(自身を除く): 54315072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2358, 3144, 3329, 4716, 6658, 9432, 9987, 13316, 19974, 26632, 29961, 39948, 59922, 79896, 119844, 239688, 436099, 872198, 1308297, 1744396, 2616594, 3488792, 3924891, 5233188, 7849782, 10466376, 15699564, 31399128]

約数ペア:

[(1, 31399128), (2, 15699564), (3, 10466376), (4, 7849782), (6, 5233188), (8, 3924891), (9, 3488792), (12, 2616594), (18, 1744396), (24, 1308297), (36, 872198), (72, 436099), (131, 239688), (262, 119844), (393, 79896), (524, 59922), (786, 39948), (1048, 29961), (1179, 26632), (1572, 19974), (2358, 13316), (3144, 9987), (3329, 9432), (4716, 6658)]