64839905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{1747}}^1$

素因数の和:2336

約数の個数: 16

約数和(自身を含む): 83987904

約数和(自身を除く): 19147999

約数列:

[1, 5, 13, 65, 571, 1747, 2855, 7423, 8735, 22711, 37115, 113555, 997537, 4987685, 12967981, 64839905]

約数ペア:

[(1, 64839905), (5, 12967981), (13, 4987685), (65, 997537), (571, 113555), (1747, 37115), (2855, 22711), (7423, 8735)]