28199897.000000000

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2207}}^1$

素因数の和:2864

約数の個数: 48

約数和(自身を含む): 318517248

約数和(自身を除く): 199312764

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 643, 1286, 1929, 2207, 2572, 3858, 4414, 4501, 6621, 7716, 8828, 9002, 13242, 13503, 15449, 18004, 26484, 27006, 30898, 46347, 54012, 61796, 92694, 185388, 1419101, 2838202, 4257303, 5676404, 8514606, 9933707, 17029212, 19867414, 29801121, 39734828, 59602242, 119204484]

約数ペア:

[(1, 119204484), (2, 59602242), (3, 39734828), (4, 29801121), (6, 19867414), (7, 17029212), (12, 9933707), (14, 8514606), (21, 5676404), (28, 4257303), (42, 2838202), (84, 1419101), (643, 185388), (1286, 92694), (1929, 61796), (2207, 54012), (2572, 46347), (3858, 30898), (4414, 27006), (4501, 26484), (6621, 18004), (7716, 15449), (8828, 13503), (9002, 13242)]