42040724

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{86861}}^1$

素因数の和:86887

約数の個数: 18

約数和(自身を含む): 80868522

約数和(自身を除く): 38827798

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 86861, 173722, 347444, 955471, 1910942, 3821884, 10510181, 21020362, 42040724]

約数ペア:

[(1, 42040724), (2, 21020362), (4, 10510181), (11, 3821884), (22, 1910942), (44, 955471), (121, 347444), (242, 173722), (484, 86861)]