68109916

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{39877}}^1$

素因数の和:39949

約数の個数: 24

約数和(自身を含む): 138456416

約数和(自身を除く): 70346500

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 39877, 79754, 159508, 279139, 558278, 1116556, 2432497, 4864994, 9729988, 17027479, 34054958, 68109916]

約数ペア:

[(1, 68109916), (2, 34054958), (4, 17027479), (7, 9729988), (14, 4864994), (28, 2432497), (61, 1116556), (122, 558278), (244, 279139), (427, 159508), (854, 79754), (1708, 39877)]