51389723

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{21529}}^1$

素因数の和:21578

約数の個数: 16

約数和(自身を含む): 66140160

約数和(自身を除く): 14750437

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 21529, 150703, 236819, 667399, 1657733, 4671793, 7341389, 51389723]

約数ペア:

[(1, 51389723), (7, 7341389), (11, 4671793), (31, 1657733), (77, 667399), (217, 236819), (341, 150703), (2387, 21529)]