246988309090

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{177689431}}^1$

素因数の和:177689577

約数の個数: 16

約数和(自身を含む): 447777368640

約数和(自身を除く): 200789059550

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 177689431, 355378862, 888447155, 1776894310, 24698830909, 49397661818, 123494154545, 246988309090]

約数ペア:

[(1, 246988309090), (2, 123494154545), (5, 49397661818), (10, 24698830909), (139, 1776894310), (278, 888447155), (695, 355378862), (1390, 177689431)]