221277986

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{11161}}^1$

素因数の和:11617

約数の個数: 16

約数和(自身を含む): 347182848

約数和(自身を除く): 125904862

約数列:

[1, 2, 23, 46, 431, 862, 9913, 11161, 19826, 22322, 256703, 513406, 4810391, 9620782, 110638993, 221277986]

約数ペア:

[(1, 221277986), (2, 110638993), (23, 9620782), (46, 4810391), (431, 513406), (862, 256703), (9913, 22322), (11161, 19826)]