71406725

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{16901}}^1$

素因数の和:16937

約数の個数: 18

約数和(自身を含む): 95885046

約数和(自身を除く): 24478321

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 4225, 16901, 84505, 219713, 422525, 1098565, 2856269, 5492825, 14281345, 71406725]

約数ペア:

[(1, 71406725), (5, 14281345), (13, 5492825), (25, 2856269), (65, 1098565), (169, 422525), (325, 219713), (845, 84505), (4225, 16901)]