2778516

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{1979}}^1$

素因数の和:2005

約数の個数: 48

約数和(自身を含む): 7761600

約数和(自身を除く): 4983084

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 1979, 3958, 5937, 7916, 11874, 17811, 23748, 25727, 35622, 51454, 53433, 71244, 77181, 102908, 106866, 154362, 213732, 231543, 308724, 463086, 694629, 926172, 1389258, 2778516]

約数ペア:

[(1, 2778516), (2, 1389258), (3, 926172), (4, 694629), (6, 463086), (9, 308724), (12, 231543), (13, 213732), (18, 154362), (26, 106866), (27, 102908), (36, 77181), (39, 71244), (52, 53433), (54, 51454), (78, 35622), (108, 25727), (117, 23748), (156, 17811), (234, 11874), (351, 7916), (468, 5937), (702, 3958), (1404, 1979)]