398921242

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{20113}}^1$

素因数の和:20373

約数の個数: 16

約数和(自身を含む): 614040192

約数和(自身を除く): 215118950

約数列:

[1, 2, 47, 94, 211, 422, 9917, 19834, 20113, 40226, 945311, 1890622, 4243843, 8487686, 199460621, 398921242]

約数ペア:

[(1, 398921242), (2, 199460621), (47, 8487686), (94, 4243843), (211, 1890622), (422, 945311), (9917, 40226), (19834, 20113)]