199513856

素因数分解:

$2^8\times {\mathrm{779351}}^1$

素因数の和:779367

約数の個数: 18

約数和(自身を含む): 398248872

約数和(自身を除く): 198735016

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 779351, 1558702, 3117404, 6234808, 12469616, 24939232, 49878464, 99756928, 199513856]

約数ペア:

[(1, 199513856), (2, 99756928), (4, 49878464), (8, 24939232), (16, 12469616), (32, 6234808), (64, 3117404), (128, 1558702), (256, 779351)]