66217945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{3851}}^1$

素因数の和:4056

約数の個数: 16

約数和(自身を含む): 84127680

約数和(自身を除く): 17909735

約数列:

[1, 5, 19, 95, 181, 905, 3439, 3851, 17195, 19255, 73169, 365845, 697031, 3485155, 13243589, 66217945]

約数ペア:

[(1, 66217945), (5, 13243589), (19, 3485155), (95, 697031), (181, 365845), (905, 73169), (3439, 19255), (3851, 17195)]