80505887

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{19727}}^1$

素因数の和:19798

約数の個数: 16

約数和(自身を含む): 102269952

約数和(自身を除く): 21764065

約数列:

[1, 7, 11, 53, 77, 371, 583, 4081, 19727, 138089, 216997, 1045531, 1518979, 7318717, 11500841, 80505887]

約数ペア:

[(1, 80505887), (7, 11500841), (11, 7318717), (53, 1518979), (77, 1045531), (371, 216997), (583, 138089), (4081, 19727)]