261350503

素因数分解:

${\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:423

約数の個数: 24

約数和(自身を含む): 288589824

約数和(自身を除く): 27239321

約数列:

[1, 17, 47, 71, 271, 289, 799, 1207, 3337, 4607, 12737, 13583, 19241, 20519, 56729, 78319, 216529, 327097, 904327, 964393, 3680993, 5560649, 15373559, 261350503]

約数ペア:

[(1, 261350503), (17, 15373559), (47, 5560649), (71, 3680993), (271, 964393), (289, 904327), (799, 327097), (1207, 216529), (3337, 78319), (4607, 56729), (12737, 20519), (13583, 19241)]