28420308

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{4177}}^1$

素因数の和:4203

約数の個数: 72

約数和(自身を含む): 85164352

約数和(自身を除く): 56744044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3402, 4177, 6804, 8354, 12531, 16708, 25062, 29239, 37593, 50124, 58478, 75186, 87717, 112779, 116956, 150372, 175434, 225558, 263151, 338337, 350868, 451116, 526302, 676674, 789453, 1015011, 1052604, 1353348, 1578906, 2030022, 2368359, 3157812, 4060044, 4736718, 7105077, 9473436, 14210154, 28420308]

約数ペア:

[(1, 28420308), (2, 14210154), (3, 9473436), (4, 7105077), (6, 4736718), (7, 4060044), (9, 3157812), (12, 2368359), (14, 2030022), (18, 1578906), (21, 1353348), (27, 1052604), (28, 1015011), (36, 789453), (42, 676674), (54, 526302), (63, 451116), (81, 350868), (84, 338337), (108, 263151), (126, 225558), (162, 175434), (189, 150372), (243, 116956), (252, 112779), (324, 87717), (378, 75186), (486, 58478), (567, 50124), (756, 37593), (972, 29239), (1134, 25062), (1701, 16708), (2268, 12531), (3402, 8354), (4177, 6804)]