68688976

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{252533}}^1$

素因数の和:252558

約数の個数: 20

約数和(自身を含む): 140913972

約数和(自身を除く): 72224996

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 252533, 505066, 1010132, 2020264, 4040528, 4293061, 8586122, 17172244, 34344488, 68688976]

約数ペア:

[(1, 68688976), (2, 34344488), (4, 17172244), (8, 8586122), (16, 4293061), (17, 4040528), (34, 2020264), (68, 1010132), (136, 505066), (272, 252533)]