189475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:87

約数の個数: 24

約数和(自身を含む): 281232

約数和(自身を除く): 91757

約数列:

[1, 5, 11, 13, 25, 53, 55, 65, 143, 265, 275, 325, 583, 689, 715, 1325, 2915, 3445, 3575, 7579, 14575, 17225, 37895, 189475]

約数ペア:

[(1, 189475), (5, 37895), (11, 17225), (13, 14575), (25, 7579), (53, 3575), (55, 3445), (65, 2915), (143, 1325), (265, 715), (275, 689), (325, 583)]