8213725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 11110400

約数和(自身を除く): 2896675

約数列:

[1, 5, 13, 25, 65, 127, 199, 325, 635, 995, 1651, 2587, 3175, 4975, 8255, 12935, 25273, 41275, 64675, 126365, 328549, 631825, 1642745, 8213725]

約数ペア:

[(1, 8213725), (5, 1642745), (13, 631825), (25, 328549), (65, 126365), (127, 64675), (199, 41275), (325, 25273), (635, 12935), (995, 8255), (1651, 4975), (2587, 3175)]