28328905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{27109}}^1$

素因数の和:27144

約数の個数: 16

約数和(自身を含む): 39038400

約数和(自身を除く): 10709495

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 27109, 135545, 298199, 515071, 1490995, 2575355, 5665781, 28328905]

約数ペア:

[(1, 28328905), (5, 5665781), (11, 2575355), (19, 1490995), (55, 515071), (95, 298199), (209, 135545), (1045, 27109)]