206989382

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{320417}}^1$

素因数の和:320455

約数の個数: 16

約数和(自身を含む): 346051440

約数和(自身を除く): 139062058

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 320417, 640834, 5447089, 6087923, 10894178, 12175846, 103494691, 206989382]

約数ペア:

[(1, 206989382), (2, 103494691), (17, 12175846), (19, 10894178), (34, 6087923), (38, 5447089), (323, 640834), (646, 320417)]