28908005

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{11633}}^1$

素因数の和:11716

約数の個数: 16

約数和(自身を含む): 40207104

約数和(自身を除く): 11299099

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 11633, 58165, 81431, 407155, 825943, 4129715, 5781601, 28908005]

約数ペア:

[(1, 28908005), (5, 5781601), (7, 4129715), (35, 825943), (71, 407155), (355, 81431), (497, 58165), (2485, 11633)]