9899978

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{3719}}^1$

素因数の和:3754

約数の個数: 16

約数和(自身を含む): 16338240

約数和(自身を除く): 6438262

約数列:

[1, 2, 11, 22, 121, 242, 1331, 2662, 3719, 7438, 40909, 81818, 449999, 899998, 4949989, 9899978]

約数ペア:

[(1, 9899978), (2, 4949989), (11, 899998), (22, 449999), (121, 81818), (242, 40909), (1331, 7438), (2662, 3719)]