28191445

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{5701}}^1$

素因数の和:5772

約数の個数: 16

約数和(自身を含む): 36127872

約数和(自身を除く): 7936427

約数列:

[1, 5, 23, 43, 115, 215, 989, 4945, 5701, 28505, 131123, 245143, 655615, 1225715, 5638289, 28191445]

約数ペア:

[(1, 28191445), (5, 5638289), (23, 1225715), (43, 655615), (115, 245143), (215, 131123), (989, 28505), (4945, 5701)]