258506906

素因数分解:

$2^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{42061}}^1$

素因数の和:42509

約数の個数: 16

約数和(自身を含む): 444174720

約数和(自身を除く): 185667814

約数列:

[1, 2, 7, 14, 439, 878, 3073, 6146, 42061, 84122, 294427, 588854, 18464779, 36929558, 129253453, 258506906]

約数ペア:

[(1, 258506906), (2, 129253453), (7, 36929558), (14, 18464779), (439, 588854), (878, 294427), (3073, 84122), (6146, 42061)]