87861605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71143}}^1$

素因数の和:71180

約数の個数: 16

約数和(自身を含む): 119521920

約数和(自身を除く): 31660315

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 71143, 355715, 924859, 1351717, 4624295, 6758585, 17572321, 87861605]

約数ペア:

[(1, 87861605), (5, 17572321), (13, 6758585), (19, 4624295), (65, 1351717), (95, 924859), (247, 355715), (1235, 71143)]