61663855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{15791}}^1$

素因数の和:15878

約数の個数: 16

約数和(自身を含む): 81865728

約数和(自身を除く): 20201873

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 15791, 78955, 173701, 868505, 1121161, 5605805, 12332771, 61663855]

約数ペア:

[(1, 61663855), (5, 12332771), (11, 5605805), (55, 1121161), (71, 868505), (355, 173701), (781, 78955), (3905, 15791)]