220495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:246

約数の個数: 16

約数和(自身を含む): 305280

約数和(自身を除く): 84785

約数列:

[1, 5, 11, 19, 55, 95, 209, 211, 1045, 1055, 2321, 4009, 11605, 20045, 44099, 220495]

約数ペア:

[(1, 220495), (5, 44099), (11, 20045), (19, 11605), (55, 4009), (95, 2321), (209, 1055), (211, 1045)]