28170065

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3851}}^1$

素因数の和:3893

約数の個数: 32

約数和(自身を含む): 44375040

約数和(自身を除く): 16204975

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 3851, 7315, 19255, 26957, 42361, 73169, 134785, 211805, 296527, 365845, 512183, 804859, 1482635, 2560915, 4024295, 5634013, 28170065]

約数ペア:

[(1, 28170065), (5, 5634013), (7, 4024295), (11, 2560915), (19, 1482635), (35, 804859), (55, 512183), (77, 365845), (95, 296527), (133, 211805), (209, 134785), (385, 73169), (665, 42361), (1045, 26957), (1463, 19255), (3851, 7315)]