31085405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15427}}^1$

素因数の和:15476

約数の個数: 16

約数和(自身を含む): 41470464

約数和(自身を除く): 10385059

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 15427, 77135, 200551, 478237, 1002755, 2391185, 6217081, 31085405]

約数ペア:

[(1, 31085405), (5, 6217081), (13, 2391185), (31, 1002755), (65, 478237), (155, 200551), (403, 77135), (2015, 15427)]