129448475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{398303}}^1$

素因数の和:398326

約数の個数: 12

約数和(自身を含む): 172863936

約数和(自身を除く): 43415461

約数列:

[1, 5, 13, 25, 65, 325, 398303, 1991515, 5177939, 9957575, 25889695, 129448475]

約数ペア:

[(1, 129448475), (5, 25889695), (13, 9957575), (25, 5177939), (65, 1991515), (325, 398303)]