664339991

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{601}}^1\times {\mathrm{1327}}^1$

素因数の和:1959

約数の個数: 24

約数和(自身を含む): 820241856

約数和(自身を除く): 155901865

約数列:

[1, 7, 17, 49, 119, 601, 833, 1327, 4207, 9289, 10217, 22559, 29449, 65023, 71519, 157913, 500633, 797527, 1105391, 5582689, 13557959, 39078823, 94905713, 664339991]

約数ペア:

[(1, 664339991), (7, 94905713), (17, 39078823), (49, 13557959), (119, 5582689), (601, 1105391), (833, 797527), (1327, 500633), (4207, 157913), (9289, 71519), (10217, 65023), (22559, 29449)]