221489764

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{653}}^1\times {\mathrm{4463}}^1$

素因数の和:5139

約数の個数: 24

約数和(自身を含む): 408723840

約数和(自身を除く): 187234076

約数列:

[1, 2, 4, 19, 38, 76, 653, 1306, 2612, 4463, 8926, 12407, 17852, 24814, 49628, 84797, 169594, 339188, 2914339, 5828678, 11657356, 55372441, 110744882, 221489764]

約数ペア:

[(1, 221489764), (2, 110744882), (4, 55372441), (19, 11657356), (38, 5828678), (76, 2914339), (653, 339188), (1306, 169594), (2612, 84797), (4463, 49628), (8926, 24814), (12407, 17852)]