129403136

素因数分解:

$2^8\times {\mathrm{505481}}^1$

素因数の和:505497

約数の個数: 18

約数和(自身を含む): 258301302

約数和(自身を除く): 128898166

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 505481, 1010962, 2021924, 4043848, 8087696, 16175392, 32350784, 64701568, 129403136]

約数ペア:

[(1, 129403136), (2, 64701568), (4, 32350784), (8, 16175392), (16, 8087696), (32, 4043848), (64, 2021924), (128, 1010962), (256, 505481)]