221719084

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{307}}^1\times {\mathrm{2543}}^1$

素因数の和:2925

約数の個数: 24

約数和(自身を含む): 394910208

約数和(自身を除く): 173191124

約数列:

[1, 2, 4, 71, 142, 284, 307, 614, 1228, 2543, 5086, 10172, 21797, 43594, 87188, 180553, 361106, 722212, 780701, 1561402, 3122804, 55429771, 110859542, 221719084]

約数ペア:

[(1, 221719084), (2, 110859542), (4, 55429771), (71, 3122804), (142, 1561402), (284, 780701), (307, 722212), (614, 361106), (1228, 180553), (2543, 87188), (5086, 43594), (10172, 21797)]