1980994042

素因数分解:

$2^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1\times {\mathrm{18257}}^1$

素因数の和:18725

約数の個数: 16

約数和(自身を含む): 2997233280

約数和(自身を除く): 1016239238

約数列:

[1, 2, 227, 239, 454, 478, 18257, 36514, 54253, 108506, 4144339, 4363423, 8288678, 8726846, 990497021, 1980994042]

約数ペア:

[(1, 1980994042), (2, 990497021), (227, 8726846), (239, 8288678), (454, 4363423), (478, 4144339), (18257, 108506), (36514, 54253)]