31500872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{499}}^1\times {\mathrm{607}}^1$

素因数の和:1125

約数の個数: 32

約数和(自身を含む): 63840000

約数和(自身を除く): 32339128

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 499, 607, 998, 1214, 1996, 2428, 3992, 4856, 6487, 7891, 12974, 15782, 25948, 31564, 51896, 63128, 302893, 605786, 1211572, 2423144, 3937609, 7875218, 15750436, 31500872]

約数ペア:

[(1, 31500872), (2, 15750436), (4, 7875218), (8, 3937609), (13, 2423144), (26, 1211572), (52, 605786), (104, 302893), (499, 63128), (607, 51896), (998, 31564), (1214, 25948), (1996, 15782), (2428, 12974), (3992, 7891), (4856, 6487)]