81408019

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{62191}}^1$

素因数の和:62226

約数の個数: 16

約数和(自身を含む): 107467776

約数和(自身を除く): 26059757

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 62191, 435337, 684101, 1057247, 4788707, 7400729, 11629717, 81408019]

約数ペア:

[(1, 81408019), (7, 11629717), (11, 7400729), (17, 4788707), (77, 1057247), (119, 684101), (187, 435337), (1309, 62191)]