221249551486

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{636217}}^1$

素因数の和:636400

約数の個数: 32

約数和(自身を含む): 351803105280

約数和(自身を除く): 130553553794

約数列:

[1, 2, 31, 62, 71, 79, 142, 158, 2201, 2449, 4402, 4898, 5609, 11218, 173879, 347758, 636217, 1272434, 19722727, 39445454, 45171407, 50261143, 90342814, 100522286, 1400313617, 1558095433, 2800627234, 3116190866, 3568541153, 7137082306, 110624775743, 221249551486]

約数ペア:

[(1, 221249551486), (2, 110624775743), (31, 7137082306), (62, 3568541153), (71, 3116190866), (79, 2800627234), (142, 1558095433), (158, 1400313617), (2201, 100522286), (2449, 90342814), (4402, 50261143), (4898, 45171407), (5609, 39445454), (11218, 19722727), (173879, 1272434), (347758, 636217)]