31886878

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{4987}}^1$

素因数の和:5151

約数の個数: 16

約数和(自身を含む): 50279040

約数和(自身を除く): 18392162

約数列:

[1, 2, 23, 46, 139, 278, 3197, 4987, 6394, 9974, 114701, 229402, 693193, 1386386, 15943439, 31886878]

約数ペア:

[(1, 31886878), (2, 15943439), (23, 1386386), (46, 693193), (139, 229402), (278, 114701), (3197, 9974), (4987, 6394)]