78430288

素因数分解:

$2^4\times {\mathrm{313}}^1\times {\mathrm{15661}}^1$

素因数の和:15982

約数の個数: 20

約数和(自身を含む): 152453908

約数和(自身を除く): 74023620

約数列:

[1, 2, 4, 8, 16, 313, 626, 1252, 2504, 5008, 15661, 31322, 62644, 125288, 250576, 4901893, 9803786, 19607572, 39215144, 78430288]

約数ペア:

[(1, 78430288), (2, 39215144), (4, 19607572), (8, 9803786), (16, 4901893), (313, 250576), (626, 125288), (1252, 62644), (2504, 31322), (5008, 15661)]