291212791

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:511

約数の個数: 24

約数和(自身を含む): 325306800

約数和(自身を除く): 34094009

約数列:

[1, 19, 31, 41, 389, 589, 779, 961, 1271, 7391, 12059, 15949, 18259, 24149, 39401, 229121, 303031, 373829, 494419, 748619, 7102751, 9393961, 15326989, 291212791]

約数ペア:

[(1, 291212791), (19, 15326989), (31, 9393961), (41, 7102751), (389, 748619), (589, 494419), (779, 373829), (961, 303031), (1271, 229121), (7391, 39401), (12059, 24149), (15949, 18259)]