890656

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{2141}}^1$

素因数の和:2164

約数の個数: 24

約数和(自身を含む): 1889244

約数和(自身を除く): 998588

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 2141, 4282, 8564, 17128, 27833, 34256, 55666, 68512, 111332, 222664, 445328, 890656]

約数ペア:

[(1, 890656), (2, 445328), (4, 222664), (8, 111332), (13, 68512), (16, 55666), (26, 34256), (32, 27833), (52, 17128), (104, 8564), (208, 4282), (416, 2141)]