197561959

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1\times {\mathrm{1231}}^1$

素因数の和:1566

約数の個数: 16

約数和(自身を含む): 229211136

約数和(自身を除く): 31649177

約数列:

[1, 7, 101, 227, 707, 1231, 1589, 8617, 22927, 124331, 160489, 279437, 870317, 1956059, 28223137, 197561959]

約数ペア:

[(1, 197561959), (7, 28223137), (101, 1956059), (227, 870317), (707, 279437), (1231, 160489), (1589, 124331), (8617, 22927)]