205858849

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{317}}^1\times {\mathrm{457}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 249051240

約数和(自身を除く): 43192391

約数列:

[1, 7, 29, 49, 203, 317, 457, 1421, 2219, 3199, 9193, 13253, 15533, 22393, 64351, 92771, 144869, 450457, 649397, 1014083, 4201201, 7098581, 29408407, 205858849]

約数ペア:

[(1, 205858849), (7, 29408407), (29, 7098581), (49, 4201201), (203, 1014083), (317, 649397), (457, 450457), (1421, 144869), (2219, 92771), (3199, 64351), (9193, 22393), (13253, 15533)]