64899863

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{4583}}^1$

素因数の和:4631

約数の個数: 18

約数和(自身を含む): 80215416

約数和(自身を除く): 15315553

約数列:

[1, 7, 17, 49, 119, 289, 833, 2023, 4583, 14161, 32081, 77911, 224567, 545377, 1324487, 3817639, 9271409, 64899863]

約数ペア:

[(1, 64899863), (7, 9271409), (17, 3817639), (49, 1324487), (119, 545377), (289, 224567), (833, 77911), (2023, 32081), (4583, 14161)]