389621738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{977}}^1\times {\mathrm{18127}}^1$

素因数の和:19117

約数の個数: 16

約数和(自身を含む): 638250624

約数和(自身を除く): 248628886

約数列:

[1, 2, 11, 22, 977, 1954, 10747, 18127, 21494, 36254, 199397, 398794, 17710079, 35420158, 194810869, 389621738]

約数ペア:

[(1, 389621738), (2, 194810869), (11, 35420158), (22, 17710079), (977, 398794), (1954, 199397), (10747, 36254), (18127, 21494)]