81288496

素因数分解:

$2^4\times {\mathrm{541}}^1\times {\mathrm{9391}}^1$

素因数の和:9940

約数の個数: 20

約数和(自身を含む): 157804384

約数和(自身を除く): 76515888

約数列:

[1, 2, 4, 8, 16, 541, 1082, 2164, 4328, 8656, 9391, 18782, 37564, 75128, 150256, 5080531, 10161062, 20322124, 40644248, 81288496]

約数ペア:

[(1, 81288496), (2, 40644248), (4, 20322124), (8, 10161062), (16, 5080531), (541, 150256), (1082, 75128), (2164, 37564), (4328, 18782), (8656, 9391)]