28986265

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{75289}}^1$

素因数の和:75312

約数の個数: 16

約数和(自身を含む): 43367040

約数和(自身を除く): 14380775

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 75289, 376445, 527023, 828179, 2635115, 4140895, 5797253, 28986265]

約数ペア:

[(1, 28986265), (5, 5797253), (7, 4140895), (11, 2635115), (35, 828179), (55, 527023), (77, 376445), (385, 75289)]