90018305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{8821}}^1$

素因数の和:8996

約数の個数: 16

約数和(自身を含む): 117085584

約数和(自身を除く): 27067279

約数列:

[1, 5, 13, 65, 157, 785, 2041, 8821, 10205, 44105, 114673, 573365, 1384897, 6924485, 18003661, 90018305]

約数ペア:

[(1, 90018305), (5, 18003661), (13, 6924485), (65, 1384897), (157, 573365), (785, 114673), (2041, 44105), (8821, 10205)]