81786406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{28859}}^1$

素因数の和:28983

約数の個数: 16

約数和(自身を含む): 133333200

約数和(自身を除く): 51546794

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 28859, 57718, 375167, 750334, 3145631, 6291262, 40893203, 81786406]

約数ペア:

[(1, 81786406), (2, 40893203), (13, 6291262), (26, 3145631), (109, 750334), (218, 375167), (1417, 57718), (2834, 28859)]