1987447

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:558

約数の個数: 16

約数和(自身を含む): 2529792

約数和(自身を除く): 542345

約数列:

[1, 7, 11, 53, 77, 371, 487, 583, 3409, 4081, 5357, 25811, 37499, 180677, 283921, 1987447]

約数ペア:

[(1, 1987447), (7, 283921), (11, 180677), (53, 37499), (77, 25811), (371, 5357), (487, 4081), (583, 3409)]