221666689

素因数分解:

${\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{1237}}^1$

素因数の和:1464

約数の個数: 16

約数和(自身を含む): 239597568

約数和(自身を除く): 17930879

約数列:

[1, 17, 83, 127, 1237, 1411, 2159, 10541, 21029, 102671, 157099, 179197, 1745407, 2670683, 13039217, 221666689]

約数ペア:

[(1, 221666689), (17, 13039217), (83, 2670683), (127, 1745407), (1237, 179197), (1411, 157099), (2159, 102671), (10541, 21029)]