218213215

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{293}}^1\times {\mathrm{1231}}^1$

素因数の和:1551

約数の個数: 24

約数和(自身を含む): 289041984

約数和(自身を除く): 70828769

約数列:

[1, 5, 11, 55, 121, 293, 605, 1231, 1465, 3223, 6155, 13541, 16115, 35453, 67705, 148951, 177265, 360683, 744755, 1803415, 3967513, 19837565, 43642643, 218213215]

約数ペア:

[(1, 218213215), (5, 43642643), (11, 19837565), (55, 3967513), (121, 1803415), (293, 744755), (605, 360683), (1231, 177265), (1465, 148951), (3223, 67705), (6155, 35453), (13541, 16115)]