256204514

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1\times {\mathrm{5237}}^1$

素因数の和:5701

約数の個数: 16

約数和(自身を含む): 391655736

約数和(自身を除く): 135451222

約数列:

[1, 2, 61, 122, 401, 802, 5237, 10474, 24461, 48922, 319457, 638914, 2100037, 4200074, 128102257, 256204514]

約数ペア:

[(1, 256204514), (2, 128102257), (61, 4200074), (122, 2100037), (401, 638914), (802, 319457), (5237, 48922), (10474, 24461)]