28238406

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:849

約数の個数: 48

約数和(自身を含む): 66265920

約数和(自身を除く): 38027514

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 139, 147, 278, 294, 417, 691, 834, 973, 1382, 1946, 2073, 2919, 4146, 4837, 5838, 6811, 9674, 13622, 14511, 20433, 29022, 33859, 40866, 67718, 96049, 101577, 192098, 203154, 288147, 576294, 672343, 1344686, 2017029, 4034058, 4706401, 9412802, 14119203, 28238406]

約数ペア:

[(1, 28238406), (2, 14119203), (3, 9412802), (6, 4706401), (7, 4034058), (14, 2017029), (21, 1344686), (42, 672343), (49, 576294), (98, 288147), (139, 203154), (147, 192098), (278, 101577), (294, 96049), (417, 67718), (691, 40866), (834, 33859), (973, 29022), (1382, 20433), (1946, 14511), (2073, 13622), (2919, 9674), (4146, 6811), (4837, 5838)]