2171393

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:352

約数の個数: 16

約数和(自身を含む): 2674944

約数和(自身を除く): 503551

約数列:

[1, 7, 17, 71, 119, 257, 497, 1207, 1799, 4369, 8449, 18247, 30583, 127729, 310199, 2171393]

約数ペア:

[(1, 2171393), (7, 310199), (17, 127729), (71, 30583), (119, 18247), (257, 8449), (497, 4369), (1207, 1799)]