161525916

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2207}}^1$

素因数の和:2343

約数の個数: 72

約数和(自身を含む): 434004480

約数和(自身を除く): 272478564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 107, 114, 171, 214, 228, 321, 342, 428, 642, 684, 963, 1284, 1926, 2033, 2207, 3852, 4066, 4414, 6099, 6621, 8132, 8828, 12198, 13242, 18297, 19863, 24396, 26484, 36594, 39726, 41933, 73188, 79452, 83866, 125799, 167732, 236149, 251598, 377397, 472298, 503196, 708447, 754794, 944596, 1416894, 1509588, 2125341, 2833788, 4250682, 4486831, 8501364, 8973662, 13460493, 17947324, 26920986, 40381479, 53841972, 80762958, 161525916]

約数ペア:

[(1, 161525916), (2, 80762958), (3, 53841972), (4, 40381479), (6, 26920986), (9, 17947324), (12, 13460493), (18, 8973662), (19, 8501364), (36, 4486831), (38, 4250682), (57, 2833788), (76, 2125341), (107, 1509588), (114, 1416894), (171, 944596), (214, 754794), (228, 708447), (321, 503196), (342, 472298), (428, 377397), (642, 251598), (684, 236149), (963, 167732), (1284, 125799), (1926, 83866), (2033, 79452), (2207, 73188), (3852, 41933), (4066, 39726), (4414, 36594), (6099, 26484), (6621, 24396), (8132, 19863), (8828, 18297), (12198, 13242)]