12990318

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{617}}^1$

素因数の和:673

約数の個数: 48

約数和(自身を含む): 29589840

約数和(自身を除く): 16599522

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 66, 87, 121, 174, 242, 319, 363, 617, 638, 726, 957, 1234, 1851, 1914, 3509, 3702, 6787, 7018, 10527, 13574, 17893, 20361, 21054, 35786, 40722, 53679, 74657, 107358, 149314, 196823, 223971, 393646, 447942, 590469, 1180938, 2165053, 4330106, 6495159, 12990318]

約数ペア:

[(1, 12990318), (2, 6495159), (3, 4330106), (6, 2165053), (11, 1180938), (22, 590469), (29, 447942), (33, 393646), (58, 223971), (66, 196823), (87, 149314), (121, 107358), (174, 74657), (242, 53679), (319, 40722), (363, 35786), (617, 21054), (638, 20361), (726, 17893), (957, 13574), (1234, 10527), (1851, 7018), (1914, 6787), (3509, 3702)]