81406456

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{95101}}^1$

素因数の和:95214

約数の個数: 16

約数和(自身を含む): 154065240

約数和(自身を除く): 72658784

約数列:

[1, 2, 4, 8, 107, 214, 428, 856, 95101, 190202, 380404, 760808, 10175807, 20351614, 40703228, 81406456]

約数ペア:

[(1, 81406456), (2, 40703228), (4, 20351614), (8, 10175807), (107, 760808), (214, 380404), (428, 190202), (856, 95101)]