7640908

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{15787}}^1$

素因数の和:15813

約数の個数: 18

約数和(自身を含む): 14698628

約数和(自身を除く): 7057720

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 15787, 31574, 63148, 173657, 347314, 694628, 1910227, 3820454, 7640908]

約数ペア:

[(1, 7640908), (2, 3820454), (4, 1910227), (11, 694628), (22, 347314), (44, 173657), (121, 63148), (242, 31574), (484, 15787)]