28412604

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{457}}^1$

素因数の和:635

約数の個数: 72

約数和(自身を含む): 79021488

約数和(自身を除く): 50608884

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 157, 198, 314, 396, 457, 471, 628, 914, 942, 1371, 1413, 1727, 1828, 1884, 2742, 2826, 3454, 4113, 5027, 5181, 5484, 5652, 6908, 8226, 10054, 10362, 15081, 15543, 16452, 20108, 20724, 30162, 31086, 45243, 60324, 62172, 71749, 90486, 143498, 180972, 215247, 286996, 430494, 645741, 789239, 860988, 1291482, 1578478, 2367717, 2582964, 3156956, 4735434, 7103151, 9470868, 14206302, 28412604]

約数ペア:

[(1, 28412604), (2, 14206302), (3, 9470868), (4, 7103151), (6, 4735434), (9, 3156956), (11, 2582964), (12, 2367717), (18, 1578478), (22, 1291482), (33, 860988), (36, 789239), (44, 645741), (66, 430494), (99, 286996), (132, 215247), (157, 180972), (198, 143498), (314, 90486), (396, 71749), (457, 62172), (471, 60324), (628, 45243), (914, 31086), (942, 30162), (1371, 20724), (1413, 20108), (1727, 16452), (1828, 15543), (1884, 15081), (2742, 10362), (2826, 10054), (3454, 8226), (4113, 6908), (5027, 5652), (5181, 5484)]