210009865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{68743}}^1$

素因数の和:68808

約数の個数: 16

約数和(自身を含む): 277175808

約数和(自身を除く): 67165943

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 68743, 343715, 893659, 3230921, 4468295, 16154605, 42001973, 210009865]

約数ペア:

[(1, 210009865), (5, 42001973), (13, 16154605), (47, 4468295), (65, 3230921), (235, 893659), (611, 343715), (3055, 68743)]