12803975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{641}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 17195328

約数和(自身を除く): 4391353

約数列:

[1, 5, 17, 25, 47, 85, 235, 425, 641, 799, 1175, 3205, 3995, 10897, 16025, 19975, 30127, 54485, 150635, 272425, 512159, 753175, 2560795, 12803975]

約数ペア:

[(1, 12803975), (5, 2560795), (17, 753175), (25, 512159), (47, 272425), (85, 150635), (235, 54485), (425, 30127), (641, 19975), (799, 16025), (1175, 10897), (3205, 3995)]