980311678

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{82007}}^1$

素因数の和:82191

約数の個数: 16

約数和(自身を含む): 1515507840

約数和(自身を除く): 535196162

約数列:

[1, 2, 43, 86, 139, 278, 5977, 11954, 82007, 164014, 3526301, 7052602, 11398973, 22797946, 490155839, 980311678]

約数ペア:

[(1, 980311678), (2, 490155839), (43, 22797946), (86, 11398973), (139, 7052602), (278, 3526301), (5977, 164014), (11954, 82007)]