639156969134

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{373}}^1\times {\mathrm{54499}}^1$

素因数の和:55152

約数の個数: 32

約数和(自身を含む): 978384000000

約数和(自身を除く): 339227030866

約数列:

[1, 2, 79, 158, 199, 373, 398, 746, 15721, 29467, 31442, 54499, 58934, 74227, 108998, 148454, 4305421, 5863933, 8610842, 10845301, 11727866, 20328127, 21690602, 40656254, 856778779, 1605922033, 1713557558, 3211844066, 4045297273, 8090594546, 319578484567, 639156969134]

約数ペア:

[(1, 639156969134), (2, 319578484567), (79, 8090594546), (158, 4045297273), (199, 3211844066), (373, 1713557558), (398, 1605922033), (746, 856778779), (15721, 40656254), (29467, 21690602), (31442, 20328127), (54499, 11727866), (58934, 10845301), (74227, 8610842), (108998, 5863933), (148454, 4305421)]