28029905

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{1471}}^1$

素因数の和:1616

約数の個数: 16

約数和(自身を含む): 34904064

約数和(自身を除く): 6874159

約数列:

[1, 5, 37, 103, 185, 515, 1471, 3811, 7355, 19055, 54427, 151513, 272135, 757565, 5605981, 28029905]

約数ペア:

[(1, 28029905), (5, 5605981), (37, 757565), (103, 272135), (185, 151513), (515, 54427), (1471, 19055), (3811, 7355)]