397278329

素因数分解:

$7^2\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{1049}}^1$

素因数の和:1253

約数の個数: 24

約数和(自身を含む): 474012000

約数和(自身を除く): 76733671

約数列:

[1, 7, 49, 59, 131, 413, 917, 1049, 2891, 6419, 7343, 7729, 51401, 54103, 61891, 137419, 378721, 433237, 961933, 3032659, 6733531, 8107721, 56754047, 397278329]

約数ペア:

[(1, 397278329), (7, 56754047), (49, 8107721), (59, 6733531), (131, 3032659), (413, 961933), (917, 433237), (1049, 378721), (2891, 137419), (6419, 61891), (7343, 54103), (7729, 51401)]