64939721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{751}}^1\times {\mathrm{1123}}^1$

素因数の和:1892

約数の個数: 16

約数和(自身を含む): 81143808

約数和(自身を除く): 16204087

約数列:

[1, 7, 11, 77, 751, 1123, 5257, 7861, 8261, 12353, 57827, 86471, 843373, 5903611, 9277103, 64939721]

約数ペア:

[(1, 64939721), (7, 9277103), (11, 5903611), (77, 843373), (751, 86471), (1123, 57827), (5257, 12353), (7861, 8261)]