289349525

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{1667}}^1$

素因数の和:1861

約数の個数: 24

約数和(自身を含む): 368574624

約数和(自身を除く): 79225099

約数列:

[1, 5, 25, 53, 131, 265, 655, 1325, 1667, 3275, 6943, 8335, 34715, 41675, 88351, 173575, 218377, 441755, 1091885, 2208775, 5459425, 11573981, 57869905, 289349525]

約数ペア:

[(1, 289349525), (5, 57869905), (25, 11573981), (53, 5459425), (131, 2208775), (265, 1091885), (655, 441755), (1325, 218377), (1667, 173575), (3275, 88351), (6943, 41675), (8335, 34715)]