28245007

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3343}}^1$

素因数の和:3438

約数の個数: 16

約数和(自身を含む): 34670592

約数和(自身を除く): 6425585

約数列:

[1, 7, 17, 71, 119, 497, 1207, 3343, 8449, 23401, 56831, 237353, 397817, 1661471, 4035001, 28245007]

約数ペア:

[(1, 28245007), (7, 4035001), (17, 1661471), (71, 397817), (119, 237353), (497, 56831), (1207, 23401), (3343, 8449)]