128039989

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1709}}^1$

素因数の和:1873

約数の個数: 24

約数和(自身を含む): 163749600

約数和(自身を除く): 35709611

約数列:

[1, 7, 11, 49, 77, 139, 539, 973, 1529, 1709, 6811, 10703, 11963, 18799, 74921, 83741, 131593, 237551, 921151, 1662857, 2613061, 11639999, 18291427, 128039989]

約数ペア:

[(1, 128039989), (7, 18291427), (11, 11639999), (49, 2613061), (77, 1662857), (139, 921151), (539, 237551), (973, 131593), (1529, 83741), (1709, 74921), (6811, 18799), (10703, 11963)]