420652316

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{349379}}^1$

素因数の和:349433

約数の個数: 24

約数和(自身を含む): 860872320

約数和(自身を除く): 440220004

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 349379, 698758, 1397516, 2445653, 4891306, 9782612, 15023297, 30046594, 60093188, 105163079, 210326158, 420652316]

約数ペア:

[(1, 420652316), (2, 210326158), (4, 105163079), (7, 60093188), (14, 30046594), (28, 15023297), (43, 9782612), (86, 4891306), (172, 2445653), (301, 1397516), (602, 698758), (1204, 349379)]