1388497922

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:891

約数の個数: 64

約数和(自身を含む): 2573856000

約数和(自身を除く): 1185358078

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 133, 149, 266, 298, 371, 661, 742, 1007, 1043, 1322, 2014, 2086, 2831, 4627, 5662, 7049, 7897, 9254, 12559, 14098, 15794, 19817, 25118, 35033, 39634, 55279, 70066, 87913, 98489, 110558, 150043, 175826, 196978, 245231, 300086, 490462, 665627, 689423, 1050301, 1331254, 1378846, 1871291, 2100602, 3742582, 4659389, 5219917, 9318778, 10439834, 13099037, 26198074, 36539419, 73078838, 99178423, 198356846, 694248961, 1388497922]

約数ペア:

[(1, 1388497922), (2, 694248961), (7, 198356846), (14, 99178423), (19, 73078838), (38, 36539419), (53, 26198074), (106, 13099037), (133, 10439834), (149, 9318778), (266, 5219917), (298, 4659389), (371, 3742582), (661, 2100602), (742, 1871291), (1007, 1378846), (1043, 1331254), (1322, 1050301), (2014, 689423), (2086, 665627), (2831, 490462), (4627, 300086), (5662, 245231), (7049, 196978), (7897, 175826), (9254, 150043), (12559, 110558), (14098, 98489), (15794, 87913), (19817, 70066), (25118, 55279), (35033, 39634)]