65991536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{317267}}^1$

素因数の和:317288

約数の個数: 20

約数和(自身を含む): 137694312

約数和(自身を除く): 71702776

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 317267, 634534, 1269068, 2538136, 4124471, 5076272, 8248942, 16497884, 32995768, 65991536]

約数ペア:

[(1, 65991536), (2, 32995768), (4, 16497884), (8, 8248942), (13, 5076272), (16, 4124471), (26, 2538136), (52, 1269068), (104, 634534), (208, 317267)]