243792978

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{1987}}^1$

素因数の和:2040

約数の個数: 72

約数和(自身を含む): 580631184

約数和(自身を除く): 336838206

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 121, 143, 169, 242, 286, 338, 363, 429, 507, 726, 858, 1014, 1573, 1859, 1987, 3146, 3718, 3974, 4719, 5577, 5961, 9438, 11154, 11922, 20449, 21857, 25831, 40898, 43714, 51662, 61347, 65571, 77493, 122694, 131142, 154986, 240427, 284141, 335803, 480854, 568282, 671606, 721281, 852423, 1007409, 1442562, 1704846, 2014818, 3125551, 3693833, 6251102, 7387666, 9376653, 11081499, 18753306, 22162998, 40632163, 81264326, 121896489, 243792978]

約数ペア:

[(1, 243792978), (2, 121896489), (3, 81264326), (6, 40632163), (11, 22162998), (13, 18753306), (22, 11081499), (26, 9376653), (33, 7387666), (39, 6251102), (66, 3693833), (78, 3125551), (121, 2014818), (143, 1704846), (169, 1442562), (242, 1007409), (286, 852423), (338, 721281), (363, 671606), (429, 568282), (507, 480854), (726, 335803), (858, 284141), (1014, 240427), (1573, 154986), (1859, 131142), (1987, 122694), (3146, 77493), (3718, 65571), (3974, 61347), (4719, 51662), (5577, 43714), (5961, 40898), (9438, 25831), (11154, 21857), (11922, 20449)]