28881629

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{523}}^1$

素因数の和:574

約数の個数: 20

約数和(自身を含む): 35225376

約数和(自身を除く): 6343747

約数列:

[1, 7, 23, 49, 161, 343, 523, 1127, 2401, 3661, 7889, 12029, 25627, 55223, 84203, 179389, 589421, 1255723, 4125947, 28881629]

約数ペア:

[(1, 28881629), (7, 4125947), (23, 1255723), (49, 589421), (161, 179389), (343, 84203), (523, 55223), (1127, 25627), (2401, 12029), (3661, 7889)]