7842978

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1$

素因数の和:320

約数の個数: 72

約数和(自身を含む): 20187804

約数和(自身を除く): 12344826

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 121, 143, 198, 234, 242, 277, 286, 363, 429, 554, 726, 831, 858, 1089, 1287, 1573, 1662, 2178, 2493, 2574, 3047, 3146, 3601, 4719, 4986, 6094, 7202, 9141, 9438, 10803, 14157, 18282, 21606, 27423, 28314, 32409, 33517, 39611, 54846, 64818, 67034, 79222, 100551, 118833, 201102, 237666, 301653, 356499, 435721, 603306, 712998, 871442, 1307163, 2614326, 3921489, 7842978]

約数ペア:

[(1, 7842978), (2, 3921489), (3, 2614326), (6, 1307163), (9, 871442), (11, 712998), (13, 603306), (18, 435721), (22, 356499), (26, 301653), (33, 237666), (39, 201102), (66, 118833), (78, 100551), (99, 79222), (117, 67034), (121, 64818), (143, 54846), (198, 39611), (234, 33517), (242, 32409), (277, 28314), (286, 27423), (363, 21606), (429, 18282), (554, 14157), (726, 10803), (831, 9438), (858, 9141), (1089, 7202), (1287, 6094), (1573, 4986), (1662, 4719), (2178, 3601), (2493, 3146), (2574, 3047)]