28830109

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 38191104

約数和(自身を除く): 9360995

約数列:

[1, 7, 11, 23, 73, 77, 161, 223, 253, 511, 803, 1561, 1679, 1771, 2453, 5129, 5621, 11753, 16279, 17171, 18469, 35903, 56419, 113953, 129283, 179069, 374417, 394933, 1253483, 2620919, 4118587, 28830109]

約数ペア:

[(1, 28830109), (7, 4118587), (11, 2620919), (23, 1253483), (73, 394933), (77, 374417), (161, 179069), (223, 129283), (253, 113953), (511, 56419), (803, 35903), (1561, 18469), (1679, 17171), (1771, 16279), (2453, 11753), (5129, 5621)]