61987915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1009}}^1\times {\mathrm{1117}}^1$

素因数の和:2142

約数の個数: 16

約数和(自身を含む): 81300960

約数和(自身を除く): 19313045

約数列:

[1, 5, 11, 55, 1009, 1117, 5045, 5585, 11099, 12287, 55495, 61435, 1127053, 5635265, 12397583, 61987915]

約数ペア:

[(1, 61987915), (5, 12397583), (11, 5635265), (55, 1127053), (1009, 61435), (1117, 55495), (5045, 12287), (5585, 11099)]