40681198

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{1031}}^1$

素因数の和:1323

約数の個数: 16

約数和(自身を含む): 61981920

約数和(自身を除く): 21300722

約数列:

[1, 2, 109, 181, 218, 362, 1031, 2062, 19729, 39458, 112379, 186611, 224758, 373222, 20340599, 40681198]

約数ペア:

[(1, 40681198), (2, 20340599), (109, 373222), (181, 224758), (218, 186611), (362, 112379), (1031, 39458), (2062, 19729)]