221427076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{6521}}^1$

素因数の和:7191

約数の個数: 24

約数和(自身を含む): 418008024

約数和(自身を除く): 196580948

約数列:

[1, 2, 4, 13, 26, 52, 653, 1306, 2612, 6521, 8489, 13042, 16978, 26084, 33956, 84773, 169546, 339092, 4258213, 8516426, 17032852, 55356769, 110713538, 221427076]

約数ペア:

[(1, 221427076), (2, 110713538), (4, 55356769), (13, 17032852), (26, 8516426), (52, 4258213), (653, 339092), (1306, 169546), (2612, 84773), (6521, 33956), (8489, 26084), (13042, 16978)]