131474728

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19403}}^1$

素因数の和:19438

約数の個数: 48

約数和(自身を含む): 309687840

約数和(自身を除く): 178213112

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 3388, 6776, 19403, 38806, 77612, 135821, 155224, 213433, 271642, 426866, 543284, 853732, 1086568, 1494031, 1707464, 2347763, 2988062, 4695526, 5976124, 9391052, 11952248, 16434341, 18782104, 32868682, 65737364, 131474728]

約数ペア:

[(1, 131474728), (2, 65737364), (4, 32868682), (7, 18782104), (8, 16434341), (11, 11952248), (14, 9391052), (22, 5976124), (28, 4695526), (44, 2988062), (56, 2347763), (77, 1707464), (88, 1494031), (121, 1086568), (154, 853732), (242, 543284), (308, 426866), (484, 271642), (616, 213433), (847, 155224), (968, 135821), (1694, 77612), (3388, 38806), (6776, 19403)]