990389134

素因数分解:

$2^1\times 7^1\times {\mathrm{17923}}^1\times {\mathrm{3947}}^1$

素因数の和:21879

約数の個数: 16

約数和(自身を含む): 1698334848

約数和(自身を除く): 707945714

約数列:

[1, 2, 7, 14, 3947, 7894, 17923, 27629, 35846, 55258, 125461, 250922, 70742081, 141484162, 495194567, 990389134]

約数ペア:

[(1, 990389134), (2, 495194567), (7, 141484162), (14, 70742081), (3947, 250922), (7894, 125461), (17923, 55258), (27629, 35846)]