28009037

素因数分解:

$7^3\times {\mathrm{37}}^1\times {\mathrm{2207}}^1$

素因数の和:2265

約数の個数: 16

約数和(自身を含む): 33561600

約数和(自身を除く): 5552563

約数列:

[1, 7, 37, 49, 259, 343, 1813, 2207, 12691, 15449, 81659, 108143, 571613, 757001, 4001291, 28009037]

約数ペア:

[(1, 28009037), (7, 4001291), (37, 757001), (49, 571613), (259, 108143), (343, 81659), (1813, 15449), (2207, 12691)]