28219528

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1489}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 55785600

約数和(自身を除く): 27566072

約数列:

[1, 2, 4, 8, 23, 46, 92, 103, 184, 206, 412, 824, 1489, 2369, 2978, 4738, 5956, 9476, 11912, 18952, 34247, 68494, 136988, 153367, 273976, 306734, 613468, 1226936, 3527441, 7054882, 14109764, 28219528]

約数ペア:

[(1, 28219528), (2, 14109764), (4, 7054882), (8, 3527441), (23, 1226936), (46, 613468), (92, 306734), (103, 273976), (184, 153367), (206, 136988), (412, 68494), (824, 34247), (1489, 18952), (2369, 11912), (2978, 9476), (4738, 5956)]