1280568052

素因数分解:

$2^2\times {\mathrm{67}}^2\times {\mathrm{71317}}^1$

素因数の和:71455

約数の個数: 18

約数和(自身を含む): 2274972882

約数和(自身を除く): 994404830

約数列:

[1, 2, 4, 67, 134, 268, 4489, 8978, 17956, 71317, 142634, 285268, 4778239, 9556478, 19112956, 320142013, 640284026, 1280568052]

約数ペア:

[(1, 1280568052), (2, 640284026), (4, 320142013), (67, 19112956), (134, 9556478), (268, 4778239), (4489, 285268), (8978, 142634), (17956, 71317)]