139300048

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{202471}}^1$

素因数の和:202522

約数の個数: 20

約数和(自身を含む): 276171808

約数和(自身を除く): 136871760

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 202471, 404942, 809884, 1619768, 3239536, 8706253, 17412506, 34825012, 69650024, 139300048]

約数ペア:

[(1, 139300048), (2, 69650024), (4, 34825012), (8, 17412506), (16, 8706253), (43, 3239536), (86, 1619768), (172, 809884), (344, 404942), (688, 202471)]