28093990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{39569}}^1$

素因数の和:39647

約数の個数: 16

約数和(自身を含む): 51282720

約数和(自身を除く): 23188730

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 39569, 79138, 197845, 395690, 2809399, 5618798, 14046995, 28093990]

約数ペア:

[(1, 28093990), (2, 14046995), (5, 5618798), (10, 2809399), (71, 395690), (142, 197845), (355, 79138), (710, 39569)]