28886884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12919}}^1$

素因数の和:12979

約数の個数: 24

約数和(自身を含む): 55711040

約数和(自身を除く): 26824156

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 12919, 25838, 51676, 167947, 335894, 555517, 671788, 1111034, 2222068, 7221721, 14443442, 28886884]

約数ペア:

[(1, 28886884), (2, 14443442), (4, 7221721), (13, 2222068), (26, 1111034), (43, 671788), (52, 555517), (86, 335894), (172, 167947), (559, 51676), (1118, 25838), (2236, 12919)]