421328

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1549}}^1$

素因数の和:1574

約数の個数: 20

約数和(自身を含む): 864900

約数和(自身を除く): 443572

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1549, 3098, 6196, 12392, 24784, 26333, 52666, 105332, 210664, 421328]

約数ペア:

[(1, 421328), (2, 210664), (4, 105332), (8, 52666), (16, 26333), (17, 24784), (34, 12392), (68, 6196), (136, 3098), (272, 1549)]