4775725

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{661}}^1$

素因数の和:705

約数の個数: 18

約数和(自身を含む): 6300254

約数和(自身を除く): 1524529

約数列:

[1, 5, 17, 25, 85, 289, 425, 661, 1445, 3305, 7225, 11237, 16525, 56185, 191029, 280925, 955145, 4775725]

約数ペア:

[(1, 4775725), (5, 955145), (17, 280925), (25, 191029), (85, 56185), (289, 16525), (425, 11237), (661, 7225), (1445, 3305)]