12899887

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 17740800

約数和(自身を除く): 4840913

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 263, 343, 539, 637, 1001, 1841, 2893, 3419, 3773, 4459, 7007, 12887, 20251, 23933, 37609, 49049, 90209, 141757, 167531, 263263, 992299, 1172717, 1842841, 12899887]

約数ペア:

[(1, 12899887), (7, 1842841), (11, 1172717), (13, 992299), (49, 263263), (77, 167531), (91, 141757), (143, 90209), (263, 49049), (343, 37609), (539, 23933), (637, 20251), (1001, 12887), (1841, 7007), (2893, 4459), (3419, 3773)]