25297271

素因数分解:

${\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:346

約数の個数: 16

約数和(自身を含む): 27060480

約数和(自身を除く): 1763209

約数列:

[1, 31, 53, 89, 173, 1643, 2759, 4717, 5363, 9169, 15397, 146227, 284239, 477307, 816041, 25297271]

約数ペア:

[(1, 25297271), (31, 816041), (53, 477307), (89, 284239), (173, 146227), (1643, 15397), (2759, 9169), (4717, 5363)]