29940724

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{61861}}^1$

素因数の和:61887

約数の個数: 18

約数和(自身を含む): 57593522

約数和(自身を除く): 27652798

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 61861, 123722, 247444, 680471, 1360942, 2721884, 7485181, 14970362, 29940724]

約数ペア:

[(1, 29940724), (2, 14970362), (4, 7485181), (11, 2721884), (22, 1360942), (44, 680471), (121, 247444), (242, 123722), (484, 61861)]