639777619

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{593}}^1\times {\mathrm{2243}}^1$

素因数の和:2886

約数の個数: 16

約数和(自身を含む): 709121952

約数和(自身を除く): 69344333

約数列:

[1, 13, 37, 481, 593, 2243, 7709, 21941, 29159, 82991, 285233, 1078883, 1330099, 17291287, 49213663, 639777619]

約数ペア:

[(1, 639777619), (13, 49213663), (37, 17291287), (481, 1330099), (593, 1078883), (2243, 285233), (7709, 82991), (21941, 29159)]