274942

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:207

約数の個数: 16

約数和(自身を含む): 443520

約数和(自身を除く): 168578

約数列:

[1, 2, 23, 43, 46, 86, 139, 278, 989, 1978, 3197, 5977, 6394, 11954, 137471, 274942]

約数ペア:

[(1, 274942), (2, 137471), (23, 11954), (43, 6394), (46, 5977), (86, 3197), (139, 1978), (278, 989)]