166993775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{7237}}^1$

素因数の和:7331

約数の個数: 24

約数和(自身を含む): 226173024

約数和(自身を除く): 59179249

約数列:

[1, 5, 13, 25, 65, 71, 325, 355, 923, 1775, 4615, 7237, 23075, 36185, 94081, 180925, 470405, 513827, 2352025, 2569135, 6679751, 12845675, 33398755, 166993775]

約数ペア:

[(1, 166993775), (5, 33398755), (13, 12845675), (25, 6679751), (65, 2569135), (71, 2352025), (325, 513827), (355, 470405), (923, 180925), (1775, 94081), (4615, 36185), (7237, 23075)]