212868865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{43487}}^1$

素因数の和:43592

約数の個数: 16

約数和(自身を含む): 281802240

約数和(自身を除く): 68933375

約数列:

[1, 5, 11, 55, 89, 445, 979, 4895, 43487, 217435, 478357, 2391785, 3870343, 19351715, 42573773, 212868865]

約数ペア:

[(1, 212868865), (5, 42573773), (11, 19351715), (55, 3870343), (89, 2391785), (445, 478357), (979, 217435), (4895, 43487)]