209982185

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{206879}}^1$

素因数の和:206920

約数の個数: 16

約数和(自身を含む): 297907200

約数和(自身を除く): 87925015

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 206879, 1034395, 1448153, 5999491, 7240765, 29997455, 41996437, 209982185]

約数ペア:

[(1, 209982185), (5, 41996437), (7, 29997455), (29, 7240765), (35, 5999491), (145, 1448153), (203, 1034395), (1015, 206879)]