28257222

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{223}}^1\times {\mathrm{431}}^1$

素因数の和:673

約数の個数: 48

約数和(自身を含む): 66189312

約数和(自身を除く): 37932090

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 223, 294, 431, 446, 669, 862, 1293, 1338, 1561, 2586, 3017, 3122, 4683, 6034, 9051, 9366, 10927, 18102, 21119, 21854, 32781, 42238, 63357, 65562, 96113, 126714, 192226, 288339, 576678, 672791, 1345582, 2018373, 4036746, 4709537, 9419074, 14128611, 28257222]

約数ペア:

[(1, 28257222), (2, 14128611), (3, 9419074), (6, 4709537), (7, 4036746), (14, 2018373), (21, 1345582), (42, 672791), (49, 576678), (98, 288339), (147, 192226), (223, 126714), (294, 96113), (431, 65562), (446, 63357), (669, 42238), (862, 32781), (1293, 21854), (1338, 21119), (1561, 18102), (2586, 10927), (3017, 9366), (3122, 9051), (4683, 6034)]