16404479

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2539}}^1$

素因数の和:2630

約数の個数: 16

約数和(自身を含む): 20482560

約数和(自身を除く): 4078081

約数列:

[1, 7, 13, 71, 91, 497, 923, 2539, 6461, 17773, 33007, 180269, 231049, 1261883, 2343497, 16404479]

約数ペア:

[(1, 16404479), (7, 2343497), (13, 1261883), (71, 231049), (91, 180269), (497, 33007), (923, 17773), (2539, 6461)]