25551221

素因数分解:

${\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{283}}^1$

素因数の和:460

約数の個数: 16

約数和(自身を含む): 27972864

約数和(自身を除く): 2421643

約数列:

[1, 17, 47, 113, 283, 799, 1921, 4811, 5311, 13301, 31979, 90287, 226117, 543643, 1503013, 25551221]

約数ペア:

[(1, 25551221), (17, 1503013), (47, 543643), (113, 226117), (283, 90287), (799, 31979), (1921, 13301), (4811, 5311)]