389610956

素因数分解:

$2^2\times 7^3\times {\mathrm{199}}^1\times {\mathrm{1427}}^1$

素因数の和:1651

約数の個数: 48

約数和(自身を含む): 799680000

約数和(自身を除く): 410069044

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 199, 343, 398, 686, 796, 1372, 1393, 1427, 2786, 2854, 5572, 5708, 9751, 9989, 19502, 19978, 39004, 39956, 68257, 69923, 136514, 139846, 273028, 279692, 283973, 489461, 567946, 978922, 1135892, 1957844, 1987811, 3975622, 7951244, 13914677, 27829354, 55658708, 97402739, 194805478, 389610956]

約数ペア:

[(1, 389610956), (2, 194805478), (4, 97402739), (7, 55658708), (14, 27829354), (28, 13914677), (49, 7951244), (98, 3975622), (196, 1987811), (199, 1957844), (343, 1135892), (398, 978922), (686, 567946), (796, 489461), (1372, 283973), (1393, 279692), (1427, 273028), (2786, 139846), (2854, 136514), (5572, 69923), (5708, 68257), (9751, 39956), (9989, 39004), (19502, 19978)]