77621278

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{128939}}^1$

素因数の和:128991

約数の個数: 16

約数和(自身を含む): 136160640

約数和(自身を除く): 58539362

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 128939, 257878, 902573, 1805146, 5544377, 11088754, 38810639, 77621278]

約数ペア:

[(1, 77621278), (2, 38810639), (7, 11088754), (14, 5544377), (43, 1805146), (86, 902573), (301, 257878), (602, 128939)]