3954925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 5423264

約数和(自身を除く): 1468339

約数列:

[1, 5, 13, 25, 43, 65, 215, 283, 325, 559, 1075, 1415, 2795, 3679, 7075, 12169, 13975, 18395, 60845, 91975, 158197, 304225, 790985, 3954925]

約数ペア:

[(1, 3954925), (5, 790985), (13, 304225), (25, 158197), (43, 91975), (65, 60845), (215, 18395), (283, 13975), (325, 12169), (559, 7075), (1075, 3679), (1415, 2795)]