388977985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{14173}}^1$

素因数の和:14688

約数の個数: 16

約数和(自身を含む): 510264000

約数和(自身を除く): 121286015

約数列:

[1, 5, 11, 55, 499, 2495, 5489, 14173, 27445, 70865, 155903, 779515, 7072327, 35361635, 77795597, 388977985]

約数ペア:

[(1, 388977985), (5, 77795597), (11, 35361635), (55, 7072327), (499, 779515), (2495, 155903), (5489, 70865), (14173, 27445)]