28057336

素因数分解:

$2^3\times {\mathrm{167}}^1\times {\mathrm{21001}}^1$

素因数の和:21174

約数の個数: 16

約数和(自身を含む): 52925040

約数和(自身を除く): 24867704

約数列:

[1, 2, 4, 8, 167, 334, 668, 1336, 21001, 42002, 84004, 168008, 3507167, 7014334, 14028668, 28057336]

約数ペア:

[(1, 28057336), (2, 14028668), (4, 7014334), (8, 3507167), (167, 168008), (334, 84004), (668, 42002), (1336, 21001)]