28768782

素因数分解:

$2^1\times 3^1\times 7^4\times {\mathrm{1997}}^1$

素因数の和:2030

約数の個数: 40

約数和(自身を含む): 67156776

約数和(自身を除く): 38387994

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 1997, 2058, 2401, 3994, 4802, 5991, 7203, 11982, 13979, 14406, 27958, 41937, 83874, 97853, 195706, 293559, 587118, 684971, 1369942, 2054913, 4109826, 4794797, 9589594, 14384391, 28768782]

約数ペア:

[(1, 28768782), (2, 14384391), (3, 9589594), (6, 4794797), (7, 4109826), (14, 2054913), (21, 1369942), (42, 684971), (49, 587118), (98, 293559), (147, 195706), (294, 97853), (343, 83874), (686, 41937), (1029, 27958), (1997, 14406), (2058, 13979), (2401, 11982), (3994, 7203), (4802, 5991)]