1279405516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{264997}}^1$

素因数の和:265089

約数の個数: 24

約数和(自身を含む): 2404061856

約数和(自身を除く): 1124656340

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 4828, 264997, 529994, 1059988, 4504949, 9009898, 18019796, 18814787, 37629574, 75259148, 319851379, 639702758, 1279405516]

約数ペア:

[(1, 1279405516), (2, 639702758), (4, 319851379), (17, 75259148), (34, 37629574), (68, 18814787), (71, 18019796), (142, 9009898), (284, 4504949), (1207, 1059988), (2414, 529994), (4828, 264997)]