81664646

素因数分解:

$2^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{15391}}^1$

素因数の和:15779

約数の個数: 16

約数和(自身を含む): 140375040

約数和(自身を除く): 58710394

約数列:

[1, 2, 7, 14, 379, 758, 2653, 5306, 15391, 30782, 107737, 215474, 5833189, 11666378, 40832323, 81664646]

約数ペア:

[(1, 81664646), (2, 40832323), (7, 11666378), (14, 5833189), (379, 215474), (758, 107737), (2653, 30782), (5306, 15391)]