208730305

素因数分解:

$5^1\times 7^1\times {\mathrm{601}}^1\times {\mathrm{9923}}^1$

素因数の和:10536

約数の個数: 16

約数和(自身を含む): 286763904

約数和(自身を除く): 78033599

約数列:

[1, 5, 7, 35, 601, 3005, 4207, 9923, 21035, 49615, 69461, 347305, 5963723, 29818615, 41746061, 208730305]

約数ペア:

[(1, 208730305), (5, 41746061), (7, 29818615), (35, 5963723), (601, 347305), (3005, 69461), (4207, 49615), (9923, 21035)]