28394422

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 52284960

約数和(自身を除く): 23890538

約数列:

[1, 2, 7, 14, 29, 49, 58, 97, 98, 103, 194, 203, 206, 406, 679, 721, 1358, 1421, 1442, 2813, 2842, 2987, 4753, 5047, 5626, 5974, 9506, 9991, 10094, 19691, 19982, 20909, 39382, 41818, 69937, 137837, 139874, 146363, 275674, 289739, 292726, 489559, 579478, 979118, 2028173, 4056346, 14197211, 28394422]

約数ペア:

[(1, 28394422), (2, 14197211), (7, 4056346), (14, 2028173), (29, 979118), (49, 579478), (58, 489559), (97, 292726), (98, 289739), (103, 275674), (194, 146363), (203, 139874), (206, 137837), (406, 69937), (679, 41818), (721, 39382), (1358, 20909), (1421, 19982), (1442, 19691), (2813, 10094), (2842, 9991), (2987, 9506), (4753, 5974), (5047, 5626)]