258961808

素因数分解:

$2^4\times 7^1\times {\mathrm{2312159}}^1$

素因数の和:2312174

約数の個数: 20

約数和(自身を含む): 573415680

約数和(自身を除く): 314453872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2312159, 4624318, 9248636, 16185113, 18497272, 32370226, 36994544, 64740452, 129480904, 258961808]

約数ペア:

[(1, 258961808), (2, 129480904), (4, 64740452), (7, 36994544), (8, 32370226), (14, 18497272), (16, 16185113), (28, 9248636), (56, 4624318), (112, 2312159)]