28556690

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{21799}}^1$

素因数の和:21937

約数の個数: 16

約数和(自身を含む): 51796800

約数和(自身を除く): 23240110

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 21799, 43598, 108995, 217990, 2855669, 5711338, 14278345, 28556690]

約数ペア:

[(1, 28556690), (2, 14278345), (5, 5711338), (10, 2855669), (131, 217990), (262, 108995), (655, 43598), (1310, 21799)]