2556515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1063}}^1$

素因数の和:1118

約数の個数: 16

約数和(自身を含む): 3396288

約数和(自身を除く): 839773

約数列:

[1, 5, 13, 37, 65, 185, 481, 1063, 2405, 5315, 13819, 39331, 69095, 196655, 511303, 2556515]

約数ペア:

[(1, 2556515), (5, 511303), (13, 196655), (37, 69095), (65, 39331), (185, 13819), (481, 5315), (1063, 2405)]