25509913

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 32457600

約数和(自身を除く): 6947687

約数列:

[1, 11, 13, 19, 41, 143, 209, 229, 247, 451, 533, 779, 2519, 2717, 2977, 4351, 5863, 8569, 9389, 10127, 32747, 47861, 56563, 103279, 111397, 122057, 178391, 622193, 1342627, 1962301, 2319083, 25509913]

約数ペア:

[(1, 25509913), (11, 2319083), (13, 1962301), (19, 1342627), (41, 622193), (143, 178391), (209, 122057), (229, 111397), (247, 103279), (451, 56563), (533, 47861), (779, 32747), (2519, 10127), (2717, 9389), (2977, 8569), (4351, 5863)]