80865428

素因数分解:

$2^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{9227}}^1$

素因数の和:9551

約数の個数: 24

約数和(自身を含む): 162265152

約数和(自身を除く): 81399724

約数列:

[1, 2, 4, 7, 14, 28, 313, 626, 1252, 2191, 4382, 8764, 9227, 18454, 36908, 64589, 129178, 258356, 2888051, 5776102, 11552204, 20216357, 40432714, 80865428]

約数ペア:

[(1, 80865428), (2, 40432714), (4, 20216357), (7, 11552204), (14, 5776102), (28, 2888051), (313, 258356), (626, 129178), (1252, 64589), (2191, 36908), (4382, 18454), (8764, 9227)]