64783895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{28729}}^1$

素因数の和:28786

約数の個数: 16

約数和(自身を含む): 86879520

約数和(自身を除く): 22095625

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 28729, 143645, 316019, 1177889, 1580095, 5889445, 12956779, 64783895]

約数ペア:

[(1, 64783895), (5, 12956779), (11, 5889445), (41, 1580095), (55, 1177889), (205, 316019), (451, 143645), (2255, 28729)]