399871987205

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1\times {\mathrm{3813571}}^1$

素因数の和:3813956

約数の個数: 16

約数和(自身を含む): 488564336064

約数和(自身を除く): 88692348859

約数列:

[1, 5, 67, 313, 335, 1565, 20971, 104855, 3813571, 19067855, 255509257, 1193647723, 1277546285, 5968238615, 79974397441, 399871987205]

約数ペア:

[(1, 399871987205), (5, 79974397441), (67, 5968238615), (313, 1277546285), (335, 1193647723), (1565, 255509257), (20971, 19067855), (104855, 3813571)]