1780246

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:280

約数の個数: 24

約数和(自身を含む): 3030480

約数和(自身を除く): 1250234

約数列:

[1, 2, 13, 23, 26, 46, 169, 229, 299, 338, 458, 598, 2977, 3887, 5267, 5954, 7774, 10534, 38701, 68471, 77402, 136942, 890123, 1780246]

約数ペア:

[(1, 1780246), (2, 890123), (13, 136942), (23, 77402), (26, 68471), (46, 38701), (169, 10534), (229, 7774), (299, 5954), (338, 5267), (458, 3887), (598, 2977)]