78920578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{32911}}^1$

素因数の和:33033

約数の個数: 16

約数和(自身を含む): 130331520

約数和(自身を除く): 51410942

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 32911, 65822, 362021, 724042, 3587299, 7174598, 39460289, 78920578]

約数ペア:

[(1, 78920578), (2, 39460289), (11, 7174598), (22, 3587299), (109, 724042), (218, 362021), (1199, 65822), (2398, 32911)]