86781704

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{42209}}^1$

素因数の和:42472

約数の個数: 16

約数和(自身を含む): 163352700

約数和(自身を除く): 76570996

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 42209, 84418, 168836, 337672, 10847713, 21695426, 43390852, 86781704]

約数ペア:

[(1, 86781704), (2, 43390852), (4, 21695426), (8, 10847713), (257, 337672), (514, 168836), (1028, 84418), (2056, 42209)]