298839992

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{2221}}^1$

素因数の和:2388

約数の個数: 48

約数和(自身を含む): 620604600

約数和(自身を除く): 321764608

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 139, 242, 278, 484, 556, 968, 1112, 1529, 2221, 3058, 4442, 6116, 8884, 12232, 16819, 17768, 24431, 33638, 48862, 67276, 97724, 134552, 195448, 268741, 308719, 537482, 617438, 1074964, 1234876, 2149928, 2469752, 3395909, 6791818, 13583636, 27167272, 37354999, 74709998, 149419996, 298839992]

約数ペア:

[(1, 298839992), (2, 149419996), (4, 74709998), (8, 37354999), (11, 27167272), (22, 13583636), (44, 6791818), (88, 3395909), (121, 2469752), (139, 2149928), (242, 1234876), (278, 1074964), (484, 617438), (556, 537482), (968, 308719), (1112, 268741), (1529, 195448), (2221, 134552), (3058, 97724), (4442, 67276), (6116, 48862), (8884, 33638), (12232, 24431), (16819, 17768)]