1640803866

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{68521}}^1$

素因数の和:68846

約数の個数: 32

約数和(自身を含む): 3545602368

約数和(自身を除く): 1904798502

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 307, 614, 921, 1842, 3991, 7982, 11973, 23946, 68521, 137042, 205563, 411126, 890773, 1781546, 2672319, 5344638, 21035947, 42071894, 63107841, 126215682, 273467311, 546934622, 820401933, 1640803866]

約数ペア:

[(1, 1640803866), (2, 820401933), (3, 546934622), (6, 273467311), (13, 126215682), (26, 63107841), (39, 42071894), (78, 21035947), (307, 5344638), (614, 2672319), (921, 1781546), (1842, 890773), (3991, 411126), (7982, 205563), (11973, 137042), (23946, 68521)]