90636905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{18329}}^1$

素因数の和:18400

約数の個数: 16

約数和(自身を含む): 116138880

約数和(自身を除く): 25501975

約数列:

[1, 5, 23, 43, 115, 215, 989, 4945, 18329, 91645, 421567, 788147, 2107835, 3940735, 18127381, 90636905]

約数ペア:

[(1, 90636905), (5, 18127381), (23, 3940735), (43, 2107835), (115, 788147), (215, 421567), (989, 91645), (4945, 18329)]