157788274

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1409}}^1$

素因数の和:1858

約数の個数: 32

約数和(自身を含む): 285609600

約数和(自身を除く): 127821326

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 421, 842, 1409, 2818, 2947, 5894, 7999, 9863, 15998, 19726, 26771, 53542, 55993, 111986, 187397, 374794, 593189, 1186378, 4152323, 8304646, 11270591, 22541182, 78894137, 157788274]

約数ペア:

[(1, 157788274), (2, 78894137), (7, 22541182), (14, 11270591), (19, 8304646), (38, 4152323), (133, 1186378), (266, 593189), (421, 374794), (842, 187397), (1409, 111986), (2818, 55993), (2947, 53542), (5894, 26771), (7999, 19726), (9863, 15998)]