205129519

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{11717}}^1$

素因数の和:11826

約数の個数: 16

約数和(自身を含む): 244109376

約数和(自身を除く): 38979857

約数列:

[1, 7, 41, 61, 287, 427, 2501, 11717, 17507, 82019, 480397, 714737, 3362779, 5003159, 29304217, 205129519]

約数ペア:

[(1, 205129519), (7, 29304217), (41, 5003159), (61, 3362779), (287, 714737), (427, 480397), (2501, 82019), (11717, 17507)]