2125175

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{503}}^1$

素因数の和:539

約数の個数: 18

約数和(自身を含む): 2859192

約数和(自身を除く): 734017

約数列:

[1, 5, 13, 25, 65, 169, 325, 503, 845, 2515, 4225, 6539, 12575, 32695, 85007, 163475, 425035, 2125175]

約数ペア:

[(1, 2125175), (5, 425035), (13, 163475), (25, 85007), (65, 32695), (169, 12575), (325, 6539), (503, 4225), (845, 2515)]