251078238

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1181}}^1$

素因数の和:1350

約数の個数: 64

約数和(自身を含む): 580976640

約数和(自身を除く): 329898402

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 127, 186, 254, 279, 381, 558, 762, 837, 1143, 1181, 1674, 2286, 2362, 3429, 3543, 3937, 6858, 7086, 7874, 10629, 11811, 21258, 23622, 31887, 35433, 36611, 63774, 70866, 73222, 106299, 109833, 149987, 212598, 219666, 299974, 329499, 449961, 658998, 899922, 988497, 1349883, 1976994, 2699766, 4049649, 4649597, 8099298, 9299194, 13948791, 27897582, 41846373, 83692746, 125539119, 251078238]

約数ペア:

[(1, 251078238), (2, 125539119), (3, 83692746), (6, 41846373), (9, 27897582), (18, 13948791), (27, 9299194), (31, 8099298), (54, 4649597), (62, 4049649), (93, 2699766), (127, 1976994), (186, 1349883), (254, 988497), (279, 899922), (381, 658998), (558, 449961), (762, 329499), (837, 299974), (1143, 219666), (1181, 212598), (1674, 149987), (2286, 109833), (2362, 106299), (3429, 73222), (3543, 70866), (3937, 63774), (6858, 36611), (7086, 35433), (7874, 31887), (10629, 23622), (11811, 21258)]