31910005

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{229}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 41110200

約数和(自身を除く): 9200195

約数列:

[1, 5, 29, 31, 145, 155, 229, 899, 961, 1145, 4495, 4805, 6641, 7099, 27869, 33205, 35495, 139345, 205871, 220069, 1029355, 1100345, 6382001, 31910005]

約数ペア:

[(1, 31910005), (5, 6382001), (29, 1100345), (31, 1029355), (145, 220069), (155, 205871), (229, 139345), (899, 35495), (961, 33205), (1145, 27869), (4495, 7099), (4805, 6641)]