66644390

素因数分解:

$2^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{16787}}^1$

素因数の和:17191

約数の個数: 16

約数和(自身を含む): 120269232

約数和(自身を除く): 53624842

約数列:

[1, 2, 5, 10, 397, 794, 1985, 3970, 16787, 33574, 83935, 167870, 6664439, 13328878, 33322195, 66644390]

約数ペア:

[(1, 66644390), (2, 33322195), (5, 13328878), (10, 6664439), (397, 167870), (794, 83935), (1985, 33574), (3970, 16787)]