61881845

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^2$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 79881984

約数和(自身を除く): 18000139

約数列:

[1, 5, 23, 47, 107, 115, 235, 535, 1081, 2461, 5029, 5405, 11449, 12305, 25145, 57245, 115667, 263327, 538103, 578335, 1316635, 2690515, 12376369, 61881845]

約数ペア:

[(1, 61881845), (5, 12376369), (23, 2690515), (47, 1316635), (107, 578335), (115, 538103), (235, 263327), (535, 115667), (1081, 57245), (2461, 25145), (5029, 12305), (5405, 11449)]