66709985

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{10009}}^1$

素因数の和:10088

約数の個数: 16

約数和(自身を含む): 84564480

約数和(自身を除く): 17854495

約数列:

[1, 5, 31, 43, 155, 215, 1333, 6665, 10009, 50045, 310279, 430387, 1551395, 2151935, 13341997, 66709985]

約数ペア:

[(1, 66709985), (5, 13341997), (31, 2151935), (43, 1551395), (155, 430387), (215, 310279), (1333, 50045), (6665, 10009)]