258637731

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{12227}}^1$

素因数の和:12882

約数の個数: 16

約数和(自身を含む): 376818048

約数和(自身を除く): 118180317

約数列:

[1, 3, 11, 33, 641, 1923, 7051, 12227, 21153, 36681, 134497, 403491, 7837507, 23512521, 86212577, 258637731]

約数ペア:

[(1, 258637731), (3, 86212577), (11, 23512521), (33, 7837507), (641, 403491), (1923, 134497), (7051, 36681), (12227, 21153)]