212410345

素因数分解:

$5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{12211}}^1$

素因数の和:12301

約数の個数: 24

約数和(自身を含む): 300708288

約数和(自身を除く): 88297943

約数列:

[1, 5, 7, 35, 49, 71, 245, 355, 497, 2485, 3479, 12211, 17395, 61055, 85477, 427385, 598339, 866981, 2991695, 4334905, 6068867, 30344335, 42482069, 212410345]

約数ペア:

[(1, 212410345), (5, 42482069), (7, 30344335), (35, 6068867), (49, 4334905), (71, 2991695), (245, 866981), (355, 598339), (497, 427385), (2485, 85477), (3479, 61055), (12211, 17395)]