28145394

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{2447}}^1$

素因数の和:2532

約数の個数: 40

約数和(自身を含む): 63980928

約数和(自身を除く): 35835534

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1917, 2447, 3834, 4894, 5751, 7341, 11502, 14682, 22023, 44046, 66069, 132138, 173737, 198207, 347474, 396414, 521211, 1042422, 1563633, 3127266, 4690899, 9381798, 14072697, 28145394]

約数ペア:

[(1, 28145394), (2, 14072697), (3, 9381798), (6, 4690899), (9, 3127266), (18, 1563633), (27, 1042422), (54, 521211), (71, 396414), (81, 347474), (142, 198207), (162, 173737), (213, 132138), (426, 66069), (639, 44046), (1278, 22023), (1917, 14682), (2447, 11502), (3834, 7341), (4894, 5751)]