78920144

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{104947}}^1$

素因数の和:105002

約数の個数: 20

約数和(自身を含む): 156162624

約数和(自身を除く): 77242480

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 104947, 209894, 419788, 839576, 1679152, 4932509, 9865018, 19730036, 39460072, 78920144]

約数ペア:

[(1, 78920144), (2, 39460072), (4, 19730036), (8, 9865018), (16, 4932509), (47, 1679152), (94, 839576), (188, 419788), (376, 209894), (752, 104947)]