134421872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{646259}}^1$

素因数の和:646280

約数の個数: 20

約数和(自身を含む): 280476840

約数和(自身を除く): 146054968

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 646259, 1292518, 2585036, 5170072, 8401367, 10340144, 16802734, 33605468, 67210936, 134421872]

約数ペア:

[(1, 134421872), (2, 67210936), (4, 33605468), (8, 16802734), (13, 10340144), (16, 8401367), (26, 5170072), (52, 2585036), (104, 1292518), (208, 646259)]