28272713

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1153}}^1$

素因数の和:1304

約数の個数: 16

約数和(自身を含む): 33678336

約数和(自身を除く): 5405623

約数列:

[1, 7, 31, 113, 217, 791, 1153, 3503, 8071, 24521, 35743, 130289, 250201, 912023, 4038959, 28272713]

約数ペア:

[(1, 28272713), (7, 4038959), (31, 912023), (113, 250201), (217, 130289), (791, 35743), (1153, 24521), (3503, 8071)]