209762287

素因数分解:

$7^2\times {\mathrm{37}}^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:200

約数の個数: 36

約数和(自身を含む): 259844760

約数和(自身を除く): 50082473

約数列:

[1, 7, 37, 49, 53, 59, 259, 371, 413, 1369, 1813, 1961, 2183, 2597, 2891, 3127, 9583, 13727, 15281, 21889, 67081, 72557, 80771, 96089, 106967, 115699, 153223, 507899, 565397, 809893, 3555293, 3957779, 4280863, 5669251, 29966041, 209762287]

約数ペア:

[(1, 209762287), (7, 29966041), (37, 5669251), (49, 4280863), (53, 3957779), (59, 3555293), (259, 809893), (371, 565397), (413, 507899), (1369, 153223), (1813, 115699), (1961, 106967), (2183, 96089), (2597, 80771), (2891, 72557), (3127, 67081), (9583, 21889), (13727, 15281)]