129334864

素因数分解:

$2^4\times {\mathrm{509}}^1\times {\mathrm{15881}}^1$

素因数の和:16398

約数の個数: 20

約数和(自身を含む): 251094420

約数和(自身を除く): 121759556

約数列:

[1, 2, 4, 8, 16, 509, 1018, 2036, 4072, 8144, 15881, 31762, 63524, 127048, 254096, 8083429, 16166858, 32333716, 64667432, 129334864]

約数ペア:

[(1, 129334864), (2, 64667432), (4, 32333716), (8, 16166858), (16, 8083429), (509, 254096), (1018, 127048), (2036, 63524), (4072, 31762), (8144, 15881)]