2620919

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:326

約数の個数: 16

約数和(自身を含む): 3182592

約数和(自身を除く): 561673

約数列:

[1, 7, 23, 73, 161, 223, 511, 1561, 1679, 5129, 11753, 16279, 35903, 113953, 374417, 2620919]

約数ペア:

[(1, 2620919), (7, 374417), (23, 113953), (73, 35903), (161, 16279), (223, 11753), (511, 5129), (1561, 1679)]