320199131

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{21187}}^1$

素因数の和:21338

約数の個数: 16

約数和(自身を含む): 390537216

約数和(自身を除く): 70338085

約数列:

[1, 7, 17, 119, 127, 889, 2159, 15113, 21187, 148309, 360179, 2521253, 2690749, 18835243, 45742733, 320199131]

約数ペア:

[(1, 320199131), (7, 45742733), (17, 18835243), (119, 2690749), (127, 2521253), (889, 360179), (2159, 148309), (15113, 21187)]