666242

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 16

約数和(自身を含む): 1047552

約数和(自身を除く): 381310

約数列:

[1, 2, 43, 61, 86, 122, 127, 254, 2623, 5246, 5461, 7747, 10922, 15494, 333121, 666242]

約数ペア:

[(1, 666242), (2, 333121), (43, 15494), (61, 10922), (86, 7747), (122, 5461), (127, 5246), (254, 2623)]