128481656

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{122597}}^1$

素因数の和:122734

約数の個数: 16

約数和(自身を含む): 242744040

約数和(自身を除く): 114262384

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 122597, 245194, 490388, 980776, 16060207, 32120414, 64240828, 128481656]

約数ペア:

[(1, 128481656), (2, 64240828), (4, 32120414), (8, 16060207), (131, 980776), (262, 490388), (524, 245194), (1048, 122597)]