28734704

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{4391}}^1$

素因数の和:4808

約数の個数: 20

約数和(自身を含む): 55822320

約数和(自身を除く): 27087616

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 4391, 6544, 8782, 17564, 35128, 70256, 1795919, 3591838, 7183676, 14367352, 28734704]

約数ペア:

[(1, 28734704), (2, 14367352), (4, 7183676), (8, 3591838), (16, 1795919), (409, 70256), (818, 35128), (1636, 17564), (3272, 8782), (4391, 6544)]