65778890

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{63863}}^1$

素因数の和:63973

約数の個数: 16

約数和(自身を含む): 119553408

約数和(自身を除く): 53774518

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 63863, 127726, 319315, 638630, 6577889, 13155778, 32889445, 65778890]

約数ペア:

[(1, 65778890), (2, 32889445), (5, 13155778), (10, 6577889), (103, 638630), (206, 319315), (515, 127726), (1030, 63863)]