208025455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{164447}}^1$

素因数の和:164486

約数の個数: 16

約数和(自身を含む): 284166144

約数和(自身を除く): 76140689

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 164447, 822235, 1808917, 3782281, 9044585, 18911405, 41605091, 208025455]

約数ペア:

[(1, 208025455), (5, 41605091), (11, 18911405), (23, 9044585), (55, 3782281), (115, 1808917), (253, 822235), (1265, 164447)]