157911664

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{240719}}^1$

素因数の和:240768

約数の個数: 20

約数和(自身を含む): 313417440

約数和(自身を除く): 155505776

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 240719, 481438, 962876, 1925752, 3851504, 9869479, 19738958, 39477916, 78955832, 157911664]

約数ペア:

[(1, 157911664), (2, 78955832), (4, 39477916), (8, 19738958), (16, 9869479), (41, 3851504), (82, 1925752), (164, 962876), (328, 481438), (656, 240719)]