206664997

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{839}}^1$

素因数の和:1321

約数の個数: 24

約数和(自身を含む): 263148480

約数和(自身を除く): 56483483

約数列:

[1, 7, 11, 49, 77, 457, 539, 839, 3199, 5027, 5873, 9229, 22393, 35189, 41111, 64603, 246323, 383423, 452221, 2683961, 4217653, 18787727, 29523571, 206664997]

約数ペア:

[(1, 206664997), (7, 29523571), (11, 18787727), (49, 4217653), (77, 2683961), (457, 452221), (539, 383423), (839, 246323), (3199, 64603), (5027, 41111), (5873, 35189), (9229, 22393)]