64400072

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{66529}}^1$

素因数の和:66557

約数の個数: 24

約数和(自身を含む): 132727350

約数和(自身を除く): 68327278

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 66529, 133058, 266116, 532232, 731819, 1463638, 2927276, 5854552, 8050009, 16100018, 32200036, 64400072]

約数ペア:

[(1, 64400072), (2, 32200036), (4, 16100018), (8, 8050009), (11, 5854552), (22, 2927276), (44, 1463638), (88, 731819), (121, 532232), (242, 266116), (484, 133058), (968, 66529)]