221781505

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{8941}}^1$

素因数の和:9009

約数の個数: 24

約数和(自身を含む): 299700072

約数和(自身を除く): 77918567

約数列:

[1, 5, 11, 41, 55, 121, 205, 451, 605, 2255, 4961, 8941, 24805, 44705, 98351, 366581, 491755, 1081861, 1832905, 4032391, 5409305, 20161955, 44356301, 221781505]

約数ペア:

[(1, 221781505), (5, 44356301), (11, 20161955), (41, 5409305), (55, 4032391), (121, 1832905), (205, 1081861), (451, 491755), (605, 366581), (2255, 98351), (4961, 44705), (8941, 24805)]