644384

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{1549}}^1$

素因数の和:1572

約数の個数: 24

約数和(自身を含む): 1367100

約数和(自身を除く): 722716

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 1549, 3098, 6196, 12392, 20137, 24784, 40274, 49568, 80548, 161096, 322192, 644384]

約数ペア:

[(1, 644384), (2, 322192), (4, 161096), (8, 80548), (13, 49568), (16, 40274), (26, 24784), (32, 20137), (52, 12392), (104, 6196), (208, 3098), (416, 1549)]