28776215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{14281}}^1$

素因数の和:14330

約数の個数: 16

約数和(自身を含む): 38390016

約数和(自身を除く): 9613801

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 14281, 71405, 185653, 442711, 928265, 2213555, 5755243, 28776215]

約数ペア:

[(1, 28776215), (5, 5755243), (13, 2213555), (31, 928265), (65, 442711), (155, 185653), (403, 71405), (2015, 14281)]