64326895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 84680640

約数和(自身を除く): 20353745

約数列:

[1, 5, 17, 53, 85, 109, 131, 265, 545, 655, 901, 1853, 2227, 4505, 5777, 6943, 9265, 11135, 14279, 28885, 34715, 71395, 98209, 118031, 242743, 491045, 590155, 756787, 1213715, 3783935, 12865379, 64326895]

約数ペア:

[(1, 64326895), (5, 12865379), (17, 3783935), (53, 1213715), (85, 756787), (109, 590155), (131, 491045), (265, 242743), (545, 118031), (655, 98209), (901, 71395), (1853, 34715), (2227, 28885), (4505, 14279), (5777, 11135), (6943, 9265)]