2220199261

素因数分解:

$7^2\times {\mathrm{31}}^2\times {\mathrm{47149}}^1$

素因数の和:47225

約数の個数: 18

約数和(自身を含む): 2668737150

約数和(自身を除く): 448537889

約数列:

[1, 7, 31, 49, 217, 961, 1519, 6727, 47089, 47149, 330043, 1461619, 2310301, 10231333, 45310189, 71619331, 317171323, 2220199261]

約数ペア:

[(1, 2220199261), (7, 317171323), (31, 71619331), (49, 45310189), (217, 10231333), (961, 2310301), (1519, 1461619), (6727, 330043), (47089, 47149)]