28240398

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{42403}}^1$

素因数の和:42448

約数の個数: 24

約数和(自身を含む): 62842728

約数和(自身を除く): 34602330

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 42403, 84806, 127209, 254418, 381627, 763254, 1568911, 3137822, 4706733, 9413466, 14120199, 28240398]

約数ペア:

[(1, 28240398), (2, 14120199), (3, 9413466), (6, 4706733), (9, 3137822), (18, 1568911), (37, 763254), (74, 381627), (111, 254418), (222, 127209), (333, 84806), (666, 42403)]