647238059

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 796884480

約数和(自身を除く): 149646421

約数列:

[1, 13, 17, 19, 71, 167, 169, 221, 247, 323, 923, 1207, 1349, 2171, 2839, 2873, 3173, 3211, 4199, 11857, 11999, 15691, 17537, 22933, 28223, 36907, 41249, 53941, 54587, 154141, 201569, 203983, 225283, 227981, 298129, 479791, 536237, 701233, 2003833, 2620397, 2928679, 3829811, 3875677, 9116029, 34065161, 38072827, 49787543, 647238059]

約数ペア:

[(1, 647238059), (13, 49787543), (17, 38072827), (19, 34065161), (71, 9116029), (167, 3875677), (169, 3829811), (221, 2928679), (247, 2620397), (323, 2003833), (923, 701233), (1207, 536237), (1349, 479791), (2171, 298129), (2839, 227981), (2873, 225283), (3173, 203983), (3211, 201569), (4199, 154141), (11857, 54587), (11999, 53941), (15691, 41249), (17537, 36907), (22933, 28223)]