66885416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{643129}}^1$

素因数の和:643148

約数の個数: 16

約数和(自身を含む): 135057300

約数和(自身を除く): 68171884

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 643129, 1286258, 2572516, 5145032, 8360677, 16721354, 33442708, 66885416]

約数ペア:

[(1, 66885416), (2, 33442708), (4, 16721354), (8, 8360677), (13, 5145032), (26, 2572516), (52, 1286258), (104, 643129)]