2006405989

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{1780307}}^1$

素因数の和:1780344

約数の個数: 12

約数和(自身を含む): 2435461344

約数和(自身を除く): 429055355

約数列:

[1, 7, 23, 49, 161, 1127, 1780307, 12462149, 40947061, 87235043, 286629427, 2006405989]

約数ペア:

[(1, 2006405989), (7, 286629427), (23, 87235043), (49, 40947061), (161, 12462149), (1127, 1780307)]