199999954

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{15647}}^1$

素因数の和:15750

約数の個数: 32

約数和(自身を含む): 378556416

約数和(自身を除く): 178556462

約数列:

[1, 2, 7, 11, 14, 22, 77, 83, 154, 166, 581, 913, 1162, 1826, 6391, 12782, 15647, 31294, 109529, 172117, 219058, 344234, 1204819, 1298701, 2409638, 2597402, 9090907, 14285711, 18181814, 28571422, 99999977, 199999954]

約数ペア:

[(1, 199999954), (2, 99999977), (7, 28571422), (11, 18181814), (14, 14285711), (22, 9090907), (77, 2597402), (83, 2409638), (154, 1298701), (166, 1204819), (581, 344234), (913, 219058), (1162, 172117), (1826, 109529), (6391, 31294), (12782, 15647)]