251016883

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2131}}^1$

素因数の和:2215

約数の個数: 24

約数和(自身を含む): 294957936

約数和(自身を除く): 43941053

約数列:

[1, 13, 17, 41, 169, 221, 533, 697, 2131, 2873, 6929, 9061, 27703, 36227, 87371, 117793, 360139, 470951, 1135823, 1485307, 6122363, 14765699, 19308991, 251016883]

約数ペア:

[(1, 251016883), (13, 19308991), (17, 14765699), (41, 6122363), (169, 1485307), (221, 1135823), (533, 470951), (697, 360139), (2131, 117793), (2873, 87371), (6929, 36227), (9061, 27703)]