90178885

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{1097}}^1$

素因数の和:1544

約数の個数: 16

約数和(自身を含む): 111231792

約数和(自身を除く): 21052907

約数列:

[1, 5, 41, 205, 401, 1097, 2005, 5485, 16441, 44977, 82205, 224885, 439897, 2199485, 18035777, 90178885]

約数ペア:

[(1, 90178885), (5, 18035777), (41, 2199485), (205, 439897), (401, 224885), (1097, 82205), (2005, 44977), (5485, 16441)]