78866288

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{120223}}^1$

素因数の和:120272

約数の個数: 20

約数和(自身を含む): 156531648

約数和(自身を除く): 77665360

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 120223, 240446, 480892, 961784, 1923568, 4929143, 9858286, 19716572, 39433144, 78866288]

約数ペア:

[(1, 78866288), (2, 39433144), (4, 19716572), (8, 9858286), (16, 4929143), (41, 1923568), (82, 961784), (164, 480892), (328, 240446), (656, 120223)]