331407978

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{359}}^1$

素因数の和:643

約数の個数: 64

約数和(自身を含む): 739031040

約数和(自身を除く): 407623062

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 142, 197, 213, 359, 394, 426, 591, 718, 781, 1077, 1182, 1562, 2154, 2167, 2343, 3949, 4334, 4686, 6501, 7898, 11847, 13002, 13987, 23694, 25489, 27974, 41961, 50978, 70723, 76467, 83922, 141446, 152934, 153857, 212169, 280379, 307714, 424338, 461571, 560758, 777953, 841137, 923142, 1555906, 1682274, 2333859, 4667718, 5021333, 10042666, 15063999, 30127998, 55234663, 110469326, 165703989, 331407978]

約数ペア:

[(1, 331407978), (2, 165703989), (3, 110469326), (6, 55234663), (11, 30127998), (22, 15063999), (33, 10042666), (66, 5021333), (71, 4667718), (142, 2333859), (197, 1682274), (213, 1555906), (359, 923142), (394, 841137), (426, 777953), (591, 560758), (718, 461571), (781, 424338), (1077, 307714), (1182, 280379), (1562, 212169), (2154, 153857), (2167, 152934), (2343, 141446), (3949, 83922), (4334, 76467), (4686, 70723), (6501, 50978), (7898, 41961), (11847, 27974), (13002, 25489), (13987, 23694)]