209599817

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{21221}}^1$

素因数の和:21328

約数の個数: 16

約数和(自身を含む): 256701312

約数和(自身を除く): 47101495

約数列:

[1, 7, 17, 83, 119, 581, 1411, 9877, 21221, 148547, 360757, 1761343, 2525299, 12329401, 29942831, 209599817]

約数ペア:

[(1, 209599817), (7, 29942831), (17, 12329401), (83, 2525299), (119, 1761343), (581, 360757), (1411, 148547), (9877, 21221)]