64766779

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1123}}^1$

素因数の和:1255

約数の個数: 24

約数和(自身を含む): 83032128

約数和(自身を除く): 18265349

約数列:

[1, 7, 11, 49, 77, 107, 539, 749, 1123, 1177, 5243, 7861, 8239, 12353, 55027, 57673, 86471, 120161, 605297, 841127, 1321771, 5887889, 9252397, 64766779]

約数ペア:

[(1, 64766779), (7, 9252397), (11, 5887889), (49, 1321771), (77, 841127), (107, 605297), (539, 120161), (749, 86471), (1123, 57673), (1177, 55027), (5243, 12353), (7861, 8239)]