248796868

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{172297}}^1$

素因数の和:172339

約数の個数: 18

約数和(自身を含む): 459518766

約数和(自身を除く): 210721898

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 172297, 344594, 689188, 3273643, 6547286, 13094572, 62199217, 124398434, 248796868]

約数ペア:

[(1, 248796868), (2, 124398434), (4, 62199217), (19, 13094572), (38, 6547286), (76, 3273643), (361, 689188), (722, 344594), (1444, 172297)]