1291376

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{1877}}^1$

素因数の和:1928

約数の個数: 20

約数和(自身を含む): 2561592

約数和(自身を除く): 1270216

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 1877, 3754, 7508, 15016, 30032, 80711, 161422, 322844, 645688, 1291376]

約数ペア:

[(1, 1291376), (2, 645688), (4, 322844), (8, 161422), (16, 80711), (43, 30032), (86, 15016), (172, 7508), (344, 3754), (688, 1877)]