321796774

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{728047}}^1$

素因数の和:728079

約数の個数: 16

約数和(自身を含む): 550404288

約数和(自身を除く): 228607514

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 728047, 1456094, 9464611, 12376799, 18929222, 24753598, 160898387, 321796774]

約数ペア:

[(1, 321796774), (2, 160898387), (13, 24753598), (17, 18929222), (26, 12376799), (34, 9464611), (221, 1456094), (442, 728047)]