397328635

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{20123}}^1$

素因数の和:20498

約数の個数: 16

約数和(自身を含む): 521614080

約数和(自身を除く): 124285445

約数列:

[1, 5, 11, 55, 359, 1795, 3949, 19745, 20123, 100615, 221353, 1106765, 7224157, 36120785, 79465727, 397328635]

約数ペア:

[(1, 397328635), (5, 79465727), (11, 36120785), (55, 7224157), (359, 1106765), (1795, 221353), (3949, 100615), (19745, 20123)]