27780459815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{245183}}^1$

素因数の和:245279

約数の個数: 32

約数和(自身を含む): 37283659776

約数和(自身を除く): 9503199961

約数列:

[1, 5, 17, 31, 43, 85, 155, 215, 527, 731, 1333, 2635, 3655, 6665, 22661, 113305, 245183, 1225915, 4168111, 7600673, 10542869, 20840555, 38003365, 52714345, 129211441, 179228773, 326828939, 646057205, 896143865, 1634144695, 5556091963, 27780459815]

約数ペア:

[(1, 27780459815), (5, 5556091963), (17, 1634144695), (31, 896143865), (43, 646057205), (85, 326828939), (155, 179228773), (215, 129211441), (527, 52714345), (731, 38003365), (1333, 20840555), (2635, 10542869), (3655, 7600673), (6665, 4168111), (22661, 1225915), (113305, 245183)]