211340972

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{484727}}^1$

素因数の和:484840

約数の個数: 12

約数和(自身を含む): 373240560

約数和(自身を除く): 161899588

約数列:

[1, 2, 4, 109, 218, 436, 484727, 969454, 1938908, 52835243, 105670486, 211340972]

約数ペア:

[(1, 211340972), (2, 105670486), (4, 52835243), (109, 1938908), (218, 969454), (436, 484727)]