128782256

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{171253}}^1$

素因数の和:171308

約数の個数: 20

約数和(自身を含む): 254825952

約数和(自身を除く): 126043696

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 171253, 342506, 685012, 1370024, 2740048, 8048891, 16097782, 32195564, 64391128, 128782256]

約数ペア:

[(1, 128782256), (2, 64391128), (4, 32195564), (8, 16097782), (16, 8048891), (47, 2740048), (94, 1370024), (188, 685012), (376, 342506), (752, 171253)]