28626731

素因数分解:

$7^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:291

約数の個数: 24

約数和(自身を含む): 34621344

約数和(自身を除く): 5994613

約数列:

[1, 7, 49, 53, 73, 151, 371, 511, 1057, 2597, 3577, 3869, 7399, 8003, 11023, 27083, 56021, 77161, 189581, 392147, 540127, 584219, 4089533, 28626731]

約数ペア:

[(1, 28626731), (7, 4089533), (49, 584219), (53, 540127), (73, 392147), (151, 189581), (371, 77161), (511, 56021), (1057, 27083), (2597, 11023), (3577, 8003), (3869, 7399)]