2191475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 3197712

約数和(自身を除く): 1006237

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 613, 715, 3065, 3575, 6743, 7969, 15325, 33715, 39845, 87659, 168575, 199225, 438295, 2191475]

約数ペア:

[(1, 2191475), (5, 438295), (11, 199225), (13, 168575), (25, 87659), (55, 39845), (65, 33715), (143, 15325), (275, 7969), (325, 6743), (613, 3575), (715, 3065)]