439193872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{2111509}}^1$

素因数の和:2111530

約数の個数: 20

約数和(自身を含む): 916395340

約数和(自身を除く): 477201468

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 2111509, 4223018, 8446036, 16892072, 27449617, 33784144, 54899234, 109798468, 219596936, 439193872]

約数ペア:

[(1, 439193872), (2, 219596936), (4, 109798468), (8, 54899234), (13, 33784144), (16, 27449617), (26, 16892072), (52, 8446036), (104, 4223018), (208, 2111509)]