72664781

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{1787}}^1$

素因数の和:1988

約数の個数: 16

約数和(自身を含む): 85881216

約数和(自身を除く): 13216435

約数列:

[1, 7, 37, 157, 259, 1099, 1787, 5809, 12509, 40663, 66119, 280559, 462833, 1963913, 10380683, 72664781]

約数ペア:

[(1, 72664781), (7, 10380683), (37, 1963913), (157, 462833), (259, 280559), (1099, 66119), (1787, 40663), (5809, 12509)]