68871215

素因数分解:

$5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{5981}}^1$

素因数の和:6047

約数の個数: 24

約数和(自身を含む): 98200512

約数和(自身を除く): 29329297

約数列:

[1, 5, 7, 35, 47, 49, 235, 245, 329, 1645, 2303, 5981, 11515, 29905, 41867, 209335, 281107, 293069, 1405535, 1465345, 1967749, 9838745, 13774243, 68871215]

約数ペア:

[(1, 68871215), (5, 13774243), (7, 9838745), (35, 1967749), (47, 1465345), (49, 1405535), (235, 293069), (245, 281107), (329, 209335), (1645, 41867), (2303, 29905), (5981, 11515)]