28752516

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{20479}}^1$

素因数の和:20505

約数の個数: 48

約数和(自身を含む): 80281600

約数和(自身を除く): 51529084

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, 20479, 40958, 61437, 81916, 122874, 184311, 245748, 266227, 368622, 532454, 552933, 737244, 798681, 1064908, 1105866, 1597362, 2211732, 2396043, 3194724, 4792086, 7188129, 9584172, 14376258, 28752516]

約数ペア:

[(1, 28752516), (2, 14376258), (3, 9584172), (4, 7188129), (6, 4792086), (9, 3194724), (12, 2396043), (13, 2211732), (18, 1597362), (26, 1105866), (27, 1064908), (36, 798681), (39, 737244), (52, 552933), (54, 532454), (78, 368622), (108, 266227), (117, 245748), (156, 184311), (234, 122874), (351, 81916), (468, 61437), (702, 40958), (1404, 20479)]