205491013

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{77867}}^1$

素因数の和:77916

約数の個数: 16

約数和(自身を含む): 261636480

約数和(自身を除く): 56145467

約数列:

[1, 7, 13, 29, 91, 203, 377, 2639, 77867, 545069, 1012271, 2258143, 7085897, 15807001, 29355859, 205491013]

約数ペア:

[(1, 205491013), (7, 29355859), (13, 15807001), (29, 7085897), (91, 2258143), (203, 1012271), (377, 545069), (2639, 77867)]