66880424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{643081}}^1$

素因数の和:643100

約数の個数: 16

約数和(自身を含む): 135047220

約数和(自身を除く): 68166796

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 643081, 1286162, 2572324, 5144648, 8360053, 16720106, 33440212, 66880424]

約数ペア:

[(1, 66880424), (2, 33440212), (4, 16720106), (8, 8360053), (13, 5144648), (26, 2572324), (52, 1286162), (104, 643081)]