211375969

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{233}}^1\times {\mathrm{359}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 256763520

約数和(自身を除く): 45387551

約数列:

[1, 7, 19, 133, 233, 359, 361, 1631, 2513, 2527, 4427, 6821, 30989, 47747, 83647, 84113, 129599, 585529, 588791, 907193, 1589293, 11125051, 30196567, 211375969]

約数ペア:

[(1, 211375969), (7, 30196567), (19, 11125051), (133, 1589293), (233, 907193), (359, 588791), (361, 585529), (1631, 129599), (2513, 84113), (2527, 83647), (4427, 47747), (6821, 30989)]