28020671

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1097}}^1$

素因数の和:1234

約数の個数: 16

約数和(自身を含む): 33203520

約数和(自身を除く): 5182849

約数列:

[1, 7, 41, 89, 287, 623, 1097, 3649, 7679, 25543, 44977, 97633, 314839, 683431, 4002953, 28020671]

約数ペア:

[(1, 28020671), (7, 4002953), (41, 683431), (89, 314839), (287, 97633), (623, 44977), (1097, 25543), (3649, 7679)]