15390256

素因数分解:

$2^4\times 7^1\times {\mathrm{137413}}^1$

素因数の和:137428

約数の個数: 20

約数和(自身を含む): 34078672

約数和(自身を除く): 18688416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 137413, 274826, 549652, 961891, 1099304, 1923782, 2198608, 3847564, 7695128, 15390256]

約数ペア:

[(1, 15390256), (2, 7695128), (4, 3847564), (7, 2198608), (8, 1923782), (14, 1099304), (16, 961891), (28, 549652), (56, 274826), (112, 137413)]