7940309

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 32

約数和(自身を含む): 9999360

約数和(自身を除く): 2059051

約数列:

[1, 13, 17, 19, 31, 61, 221, 247, 323, 403, 527, 589, 793, 1037, 1159, 1891, 4199, 6851, 7657, 10013, 13481, 15067, 19703, 24583, 32147, 35929, 130169, 256139, 417911, 467077, 610793, 7940309]

約数ペア:

[(1, 7940309), (13, 610793), (17, 467077), (19, 417911), (31, 256139), (61, 130169), (221, 35929), (247, 32147), (323, 24583), (403, 19703), (527, 15067), (589, 13481), (793, 10013), (1037, 7657), (1159, 6851), (1891, 4199)]