81433378

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{4871}}^1$

素因数の和:5529

約数の個数: 16

約数和(自身を含む): 131777856

約数和(自身を除く): 50344478

約数列:

[1, 2, 13, 26, 643, 1286, 4871, 8359, 9742, 16718, 63323, 126646, 3132053, 6264106, 40716689, 81433378]

約数ペア:

[(1, 81433378), (2, 40716689), (13, 6264106), (26, 3132053), (643, 126646), (1286, 63323), (4871, 16718), (8359, 9742)]