728222

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1$

素因数の和:511

約数の個数: 16

約数和(自身を含む): 1209600

約数和(自身を除く): 481378

約数列:

[1, 2, 11, 22, 79, 158, 419, 838, 869, 1738, 4609, 9218, 33101, 66202, 364111, 728222]

約数ペア:

[(1, 728222), (2, 364111), (11, 66202), (22, 33101), (79, 9218), (158, 4609), (419, 1738), (838, 869)]