1218901978

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{587}}^1\times {\mathrm{1787}}^1$

素因数の和:2466

約数の個数: 32

約数和(自身を含む): 2119509504

約数和(自身を除く): 900607526

約数列:

[1, 2, 7, 14, 83, 166, 581, 587, 1162, 1174, 1787, 3574, 4109, 8218, 12509, 25018, 48721, 97442, 148321, 296642, 341047, 682094, 1038247, 1048969, 2076494, 2097938, 7342783, 14685566, 87064427, 174128854, 609450989, 1218901978]

約数ペア:

[(1, 1218901978), (2, 609450989), (7, 174128854), (14, 87064427), (83, 14685566), (166, 7342783), (581, 2097938), (587, 2076494), (1162, 1048969), (1174, 1038247), (1787, 682094), (3574, 341047), (4109, 296642), (8218, 148321), (12509, 97442), (25018, 48721)]