138693814

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:761

約数の個数: 48

約数和(自身を含む): 253725696

約数和(自身を除く): 115031882

約数列:

[1, 2, 7, 14, 31, 49, 62, 71, 98, 142, 217, 434, 497, 643, 994, 1286, 1519, 2201, 3038, 3479, 4402, 4501, 6958, 9002, 15407, 19933, 30814, 31507, 39866, 45653, 63014, 91306, 107849, 139531, 215698, 279062, 319571, 639142, 976717, 1415243, 1953434, 2236997, 2830486, 4473994, 9906701, 19813402, 69346907, 138693814]

約数ペア:

[(1, 138693814), (2, 69346907), (7, 19813402), (14, 9906701), (31, 4473994), (49, 2830486), (62, 2236997), (71, 1953434), (98, 1415243), (142, 976717), (217, 639142), (434, 319571), (497, 279062), (643, 215698), (994, 139531), (1286, 107849), (1519, 91306), (2201, 63014), (3038, 45653), (3479, 39866), (4402, 31507), (4501, 30814), (6958, 19933), (9002, 15407)]