13071925

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 16998912

約数和(自身を除く): 3926987

約数列:

[1, 5, 25, 31, 101, 155, 167, 505, 775, 835, 2525, 3131, 4175, 5177, 15655, 16867, 25885, 78275, 84335, 129425, 421675, 522877, 2614385, 13071925]

約数ペア:

[(1, 13071925), (5, 2614385), (25, 522877), (31, 421675), (101, 129425), (155, 84335), (167, 78275), (505, 25885), (775, 16867), (835, 15655), (2525, 5177), (3131, 4175)]