81742154

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1069}}^1$

素因数の和:1274

約数の個数: 32

約数和(自身を含む): 140752080

約数和(自身を除く): 59009926

約数列:

[1, 2, 13, 17, 26, 34, 173, 221, 346, 442, 1069, 2138, 2249, 2941, 4498, 5882, 13897, 18173, 27794, 36346, 38233, 76466, 184937, 236249, 369874, 472498, 2404181, 3143929, 4808362, 6287858, 40871077, 81742154]

約数ペア:

[(1, 81742154), (2, 40871077), (13, 6287858), (17, 4808362), (26, 3143929), (34, 2404181), (173, 472498), (221, 369874), (346, 236249), (442, 184937), (1069, 76466), (2138, 38233), (2249, 36346), (2941, 27794), (4498, 18173), (5882, 13897)]