208077854

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{331}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 335612160

約数和(自身を除く): 127534306

約数列:

[1, 2, 19, 38, 71, 142, 233, 331, 466, 662, 1349, 2698, 4427, 6289, 8854, 12578, 16543, 23501, 33086, 47002, 77123, 154246, 314317, 446519, 628634, 893038, 1465337, 2930674, 5475733, 10951466, 104038927, 208077854]

約数ペア:

[(1, 208077854), (2, 104038927), (19, 10951466), (38, 5475733), (71, 2930674), (142, 1465337), (233, 893038), (331, 628634), (466, 446519), (662, 314317), (1349, 154246), (2698, 77123), (4427, 47002), (6289, 33086), (8854, 23501), (12578, 16543)]