129870256

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{61961}}^1$

素因数の和:62100

約数の個数: 20

約数和(自身を含む): 253548504

約数和(自身を除く): 123678248

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 61961, 123922, 247844, 495688, 991376, 8116891, 16233782, 32467564, 64935128, 129870256]

約数ペア:

[(1, 129870256), (2, 64935128), (4, 32467564), (8, 16233782), (16, 8116891), (131, 991376), (262, 495688), (524, 247844), (1048, 123922), (2096, 61961)]