202047895

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{81307}}^1$

素因数の和:81390

約数の個数: 16

約数和(自身を含む): 281000448

約数和(自身を除く): 78952553

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 81307, 406535, 569149, 2845745, 5772797, 28863985, 40409579, 202047895]

約数ペア:

[(1, 202047895), (5, 40409579), (7, 28863985), (35, 5772797), (71, 2845745), (355, 569149), (497, 406535), (2485, 81307)]