25874459

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 30326688

約数和(自身を除く): 4452229

約数列:

[1, 13, 17, 71, 97, 221, 289, 923, 1207, 1261, 1649, 3757, 6887, 15691, 20519, 21437, 28033, 89531, 117079, 266747, 364429, 1522027, 1990343, 25874459]

約数ペア:

[(1, 25874459), (13, 1990343), (17, 1522027), (71, 364429), (97, 266747), (221, 117079), (289, 89531), (923, 28033), (1207, 21437), (1261, 20519), (1649, 15691), (3757, 6887)]