81694908

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1439}}^1$

素因数の和:1551

約数の個数: 72

約数和(自身を含む): 220147200

約数和(自身を除く): 138452292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 83, 114, 166, 171, 228, 249, 332, 342, 498, 684, 747, 996, 1439, 1494, 1577, 2878, 2988, 3154, 4317, 4731, 5756, 6308, 8634, 9462, 12951, 14193, 17268, 18924, 25902, 27341, 28386, 51804, 54682, 56772, 82023, 109364, 119437, 164046, 238874, 246069, 328092, 358311, 477748, 492138, 716622, 984276, 1074933, 1433244, 2149866, 2269303, 4299732, 4538606, 6807909, 9077212, 13615818, 20423727, 27231636, 40847454, 81694908]

約数ペア:

[(1, 81694908), (2, 40847454), (3, 27231636), (4, 20423727), (6, 13615818), (9, 9077212), (12, 6807909), (18, 4538606), (19, 4299732), (36, 2269303), (38, 2149866), (57, 1433244), (76, 1074933), (83, 984276), (114, 716622), (166, 492138), (171, 477748), (228, 358311), (249, 328092), (332, 246069), (342, 238874), (498, 164046), (684, 119437), (747, 109364), (996, 82023), (1439, 56772), (1494, 54682), (1577, 51804), (2878, 28386), (2988, 27341), (3154, 25902), (4317, 18924), (4731, 17268), (5756, 14193), (6308, 12951), (8634, 9462)]