81404885

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{13693}}^1$

素因数の和:13768

約数の個数: 16

約数和(自身を含む): 103526640

約数和(自身を除く): 22121755

約数列:

[1, 5, 29, 41, 145, 205, 1189, 5945, 13693, 68465, 397097, 561413, 1985485, 2807065, 16280977, 81404885]

約数ペア:

[(1, 81404885), (5, 16280977), (29, 2807065), (41, 1985485), (145, 561413), (205, 397097), (1189, 68465), (5945, 13693)]