28651970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{168541}}^1$

素因数の和:168565

約数の個数: 16

約数和(自身を含む): 54607608

約数和(自身を除く): 25955638

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 168541, 337082, 842705, 1685410, 2865197, 5730394, 14325985, 28651970]

約数ペア:

[(1, 28651970), (2, 14325985), (5, 5730394), (10, 2865197), (17, 1685410), (34, 842705), (85, 337082), (170, 168541)]