219132991

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{29339}}^1$

素因数の和:29454

約数の個数: 16

約数和(自身を含む): 276030720

約数和(自身を除く): 56897729

約数列:

[1, 7, 11, 77, 97, 679, 1067, 7469, 29339, 205373, 322729, 2259103, 2845883, 19921181, 31304713, 219132991]

約数ペア:

[(1, 219132991), (7, 31304713), (11, 19921181), (77, 2845883), (97, 2259103), (679, 322729), (1067, 205373), (7469, 29339)]