1390359854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{408209}}^1$

素因数の和:408355

約数の個数: 16

約数和(自身を含む): 2263116240

約数和(自身を除く): 872756386

約数列:

[1, 2, 13, 26, 131, 262, 1703, 3406, 408209, 816418, 5306717, 10613434, 53475379, 106950758, 695179927, 1390359854]

約数ペア:

[(1, 1390359854), (2, 695179927), (13, 106950758), (26, 53475379), (131, 10613434), (262, 5306717), (1703, 816418), (3406, 408209)]