81720292

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{3329}}^1$

素因数の和:3388

約数の個数: 36

約数和(自身を含む): 159859980

約数和(自身を除く): 78139688

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 361, 646, 722, 1292, 1444, 3329, 6137, 6658, 12274, 13316, 24548, 56593, 63251, 113186, 126502, 226372, 253004, 1075267, 1201769, 2150534, 2403538, 4301068, 4807076, 20430073, 40860146, 81720292]

約数ペア:

[(1, 81720292), (2, 40860146), (4, 20430073), (17, 4807076), (19, 4301068), (34, 2403538), (38, 2150534), (68, 1201769), (76, 1075267), (323, 253004), (361, 226372), (646, 126502), (722, 113186), (1292, 63251), (1444, 56593), (3329, 24548), (6137, 13316), (6658, 12274)]