66647764

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{449}}^1\times {\mathrm{863}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 119750400

約数和(自身を除く): 53102636

約数列:

[1, 2, 4, 43, 86, 172, 449, 863, 898, 1726, 1796, 3452, 19307, 37109, 38614, 74218, 77228, 148436, 387487, 774974, 1549948, 16661941, 33323882, 66647764]

約数ペア:

[(1, 66647764), (2, 33323882), (4, 16661941), (43, 1549948), (86, 774974), (172, 387487), (449, 148436), (863, 77228), (898, 74218), (1726, 38614), (1796, 37109), (3452, 19307)]