28365589

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1951}}^1$

素因数の和:2056

約数の個数: 16

約数和(自身を含む): 33980416

約数和(自身を除く): 5614827

約数列:

[1, 7, 31, 67, 217, 469, 1951, 2077, 13657, 14539, 60481, 130717, 423367, 915019, 4052227, 28365589]

約数ペア:

[(1, 28365589), (7, 4052227), (31, 915019), (67, 423367), (217, 130717), (469, 60481), (1951, 14539), (2077, 13657)]