217270295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{55639}}^1$

素因数の和:55726

約数の個数: 16

約数和(自身を含む): 288437760

約数和(自身を除く): 71167465

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 55639, 278195, 612029, 3060145, 3950369, 19751845, 43454059, 217270295]

約数ペア:

[(1, 217270295), (5, 43454059), (11, 19751845), (55, 3950369), (71, 3060145), (355, 612029), (781, 278195), (3905, 55639)]