68521516

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{22871}}^1$

素因数の和:22989

約数の個数: 24

約数和(自身を含む): 138329856

約数和(自身を除く): 69808340

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 22871, 45742, 91484, 160097, 320194, 640388, 2447197, 4894394, 9788788, 17130379, 34260758, 68521516]

約数ペア:

[(1, 68521516), (2, 34260758), (4, 17130379), (7, 9788788), (14, 4894394), (28, 2447197), (107, 640388), (214, 320194), (428, 160097), (749, 91484), (1498, 45742), (2996, 22871)]