209898305

素因数分解:

$5^1\times {\mathrm{151}}^1\times {\mathrm{173}}^1\times {\mathrm{1607}}^1$

素因数の和:1936

約数の個数: 16

約数和(自身を含む): 255170304

約数和(自身を除く): 45271999

約数列:

[1, 5, 151, 173, 755, 865, 1607, 8035, 26123, 130615, 242657, 278011, 1213285, 1390055, 41979661, 209898305]

約数ペア:

[(1, 209898305), (5, 41979661), (151, 1390055), (173, 1213285), (755, 278011), (865, 242657), (1607, 130615), (8035, 26123)]