261040318

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{154097}}^1$

素因数の和:154128

約数の個数: 24

約数和(自身を含む): 491880816

約数和(自身を除く): 230840498

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 154097, 308194, 1078679, 1695067, 2157358, 3390134, 11865469, 18645737, 23730938, 37291474, 130520159, 261040318]

約数ペア:

[(1, 261040318), (2, 130520159), (7, 37291474), (11, 23730938), (14, 18645737), (22, 11865469), (77, 3390134), (121, 2157358), (154, 1695067), (242, 1078679), (847, 308194), (1694, 154097)]