12820556

素因数分解:

$2^2\times 7^2\times {\mathrm{149}}^1\times {\mathrm{439}}^1$

素因数の和:606

約数の個数: 36

約数和(自身を含む): 26334000

約数和(自身を除く): 13513444

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 149, 196, 298, 439, 596, 878, 1043, 1756, 2086, 3073, 4172, 6146, 7301, 12292, 14602, 21511, 29204, 43022, 65411, 86044, 130822, 261644, 457877, 915754, 1831508, 3205139, 6410278, 12820556]

約数ペア:

[(1, 12820556), (2, 6410278), (4, 3205139), (7, 1831508), (14, 915754), (28, 457877), (49, 261644), (98, 130822), (149, 86044), (196, 65411), (298, 43022), (439, 29204), (596, 21511), (878, 14602), (1043, 12292), (1756, 7301), (2086, 6146), (3073, 4172)]