57778189

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{1223}}^1$

素因数の和:1644

約数の個数: 16

約数和(自身を含む): 70149888

約数和(自身を除く): 12371699

約数列:

[1, 7, 17, 119, 397, 1223, 2779, 6749, 8561, 20791, 47243, 145537, 485531, 3398717, 8254027, 57778189]

約数ペア:

[(1, 57778189), (7, 8254027), (17, 3398717), (119, 485531), (397, 145537), (1223, 47243), (2779, 20791), (6749, 8561)]