39920641

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{563}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 43775424

約数和(自身を除く): 3854783

約数列:

[1, 17, 43, 97, 563, 731, 1649, 4171, 9571, 24209, 54611, 70907, 411553, 928387, 2348273, 39920641]

約数ペア:

[(1, 39920641), (17, 2348273), (43, 928387), (97, 411553), (563, 70907), (731, 54611), (1649, 24209), (4171, 9571)]