13122991

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:562

約数の個数: 16

約数和(自身を含む): 15489088

約数和(自身を除く): 2366097

約数列:

[1, 7, 61, 73, 421, 427, 511, 2947, 4453, 25681, 30733, 31171, 179767, 215131, 1874713, 13122991]

約数ペア:

[(1, 13122991), (7, 1874713), (61, 215131), (73, 179767), (421, 31171), (427, 30733), (511, 25681), (2947, 4453)]