1639621874

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{797}}^1\times {\mathrm{8501}}^1$

素因数の和:9322

約数の個数: 24

約数和(自身を含む): 2707053804

約数和(自身を除く): 1067431930

約数列:

[1, 2, 11, 22, 121, 242, 797, 1594, 8501, 8767, 17002, 17534, 93511, 96437, 187022, 192874, 1028621, 2057242, 6775297, 13550594, 74528267, 149056534, 819810937, 1639621874]

約数ペア:

[(1, 1639621874), (2, 819810937), (11, 149056534), (22, 74528267), (121, 13550594), (242, 6775297), (797, 2057242), (1594, 1028621), (8501, 192874), (8767, 187022), (17002, 96437), (17534, 93511)]