199981886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{22039}}^1$

素因数の和:22403

約数の個数: 16

約数和(自身を含む): 323988000

約数和(自身を除く): 124006114

約数列:

[1, 2, 13, 26, 349, 698, 4537, 9074, 22039, 44078, 286507, 573014, 7691611, 15383222, 99990943, 199981886]

約数ペア:

[(1, 199981886), (2, 99990943), (13, 15383222), (26, 7691611), (349, 573014), (698, 286507), (4537, 44078), (9074, 22039)]