297996818

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{153133}}^1$

素因数の和:153281

約数の個数: 16

約数和(自身を含む): 514530240

約数和(自身を除く): 216533422

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 153133, 306266, 1071931, 2143862, 21285487, 42570974, 148998409, 297996818]

約数ペア:

[(1, 297996818), (2, 148998409), (7, 42570974), (14, 21285487), (139, 2143862), (278, 1071931), (973, 306266), (1946, 153133)]