28618751

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:814

約数の個数: 16

約数和(自身を含む): 33592320

約数和(自身を除く): 4973569

約数列:

[1, 7, 71, 89, 497, 623, 647, 4529, 6319, 44233, 45937, 57583, 321559, 403081, 4088393, 28618751]

約数ペア:

[(1, 28618751), (7, 4088393), (71, 403081), (89, 321559), (497, 57583), (623, 45937), (647, 44233), (4529, 6319)]