164915564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{20939}}^1$

素因数の和:21133

約数の個数: 24

約数和(自身を含む): 316612800

約数和(自身を除く): 151697236

約数列:

[1, 2, 4, 11, 22, 44, 179, 358, 716, 1969, 3938, 7876, 20939, 41878, 83756, 230329, 460658, 921316, 3748081, 7496162, 14992324, 41228891, 82457782, 164915564]

約数ペア:

[(1, 164915564), (2, 82457782), (4, 41228891), (11, 14992324), (22, 7496162), (44, 3748081), (179, 921316), (358, 460658), (716, 230329), (1969, 83756), (3938, 41878), (7876, 20939)]