15968113

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 19751040

約数和(自身を除く): 3782927

約数列:

[1, 7, 19, 71, 89, 133, 361, 497, 623, 1349, 1691, 2527, 6319, 9443, 11837, 25631, 32129, 44233, 120061, 179417, 224903, 840427, 2281159, 15968113]

約数ペア:

[(1, 15968113), (7, 2281159), (19, 840427), (71, 224903), (89, 179417), (133, 120061), (361, 44233), (497, 32129), (623, 25631), (1349, 11837), (1691, 9443), (2527, 6319)]