389650866

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{256687}}^1$

素因数の和:256726

約数の個数: 32

約数和(自身を含む): 887113728

約数和(自身を除く): 497462862

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 256687, 513374, 770061, 1540122, 2823557, 5647114, 5903801, 8470671, 11807602, 16941342, 17711403, 35422806, 64941811, 129883622, 194825433, 389650866]

約数ペア:

[(1, 389650866), (2, 194825433), (3, 129883622), (6, 64941811), (11, 35422806), (22, 17711403), (23, 16941342), (33, 11807602), (46, 8470671), (66, 5903801), (69, 5647114), (138, 2823557), (253, 1540122), (506, 770061), (759, 513374), (1518, 256687)]