11989978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 24820992

約数和(自身を除く): 12831014

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 53, 77, 91, 106, 113, 143, 154, 182, 226, 286, 371, 583, 689, 742, 791, 1001, 1166, 1243, 1378, 1469, 1582, 2002, 2486, 2938, 4081, 4823, 5989, 7579, 8162, 8701, 9646, 10283, 11978, 15158, 16159, 17402, 20566, 32318, 41923, 53053, 65879, 77857, 83846, 106106, 113113, 131758, 155714, 226226, 461153, 544999, 856427, 922306, 1089998, 1712854, 5994989, 11989978]

約数ペア:

[(1, 11989978), (2, 5994989), (7, 1712854), (11, 1089998), (13, 922306), (14, 856427), (22, 544999), (26, 461153), (53, 226226), (77, 155714), (91, 131758), (106, 113113), (113, 106106), (143, 83846), (154, 77857), (182, 65879), (226, 53053), (286, 41923), (371, 32318), (583, 20566), (689, 17402), (742, 16159), (791, 15158), (1001, 11978), (1166, 10283), (1243, 9646), (1378, 8701), (1469, 8162), (1582, 7579), (2002, 5989), (2486, 4823), (2938, 4081)]