66819385

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{1217}}^1$

素因数の和:1440

約数の個数: 16

約数和(自身を含む): 81849600

約数和(自身を除く): 15030215

約数列:

[1, 5, 79, 139, 395, 695, 1217, 6085, 10981, 54905, 96143, 169163, 480715, 845815, 13363877, 66819385]

約数ペア:

[(1, 66819385), (5, 13363877), (79, 845815), (139, 480715), (395, 169163), (695, 96143), (1217, 54905), (6085, 10981)]