4193215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2081}}^1$

素因数の和:2130

約数の個数: 16

約数和(自身を含む): 5596416

約数和(自身を除く): 1403201

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 2081, 10405, 27053, 64511, 135265, 322555, 838643, 4193215]

約数ペア:

[(1, 4193215), (5, 838643), (13, 322555), (31, 135265), (65, 64511), (155, 27053), (403, 10405), (2015, 2081)]