28669445

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 40642560

約数和(自身を除く): 11973115

約数列:

[1, 5, 7, 35, 71, 83, 139, 355, 415, 497, 581, 695, 973, 2485, 2905, 4865, 5893, 9869, 11537, 29465, 41251, 49345, 57685, 69083, 80759, 206255, 345415, 403795, 819127, 4095635, 5733889, 28669445]

約数ペア:

[(1, 28669445), (5, 5733889), (7, 4095635), (35, 819127), (71, 403795), (83, 345415), (139, 206255), (355, 80759), (415, 69083), (497, 57685), (581, 49345), (695, 41251), (973, 29465), (2485, 11537), (2905, 9869), (4865, 5893)]