81105004

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{347}}^1\times {\mathrm{823}}^1$

素因数の和:1245

約数の個数: 24

約数和(自身を含む): 144523008

約数和(自身を除く): 63418004

約数列:

[1, 2, 4, 71, 142, 284, 347, 694, 823, 1388, 1646, 3292, 24637, 49274, 58433, 98548, 116866, 233732, 285581, 571162, 1142324, 20276251, 40552502, 81105004]

約数ペア:

[(1, 81105004), (2, 40552502), (4, 20276251), (71, 1142324), (142, 571162), (284, 285581), (347, 233732), (694, 116866), (823, 98548), (1388, 58433), (1646, 49274), (3292, 24637)]