201619151984

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{1487569}}^1$

素因数の和:1487817

約数の個数: 40

約数和(自身を含む): 401751005040

約数和(自身を除く): 200131853056

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 197, 344, 394, 688, 788, 1576, 3152, 8471, 16942, 33884, 67768, 135536, 1487569, 2975138, 5950276, 11900552, 23801104, 63965467, 127930934, 255861868, 293051093, 511723736, 586102186, 1023447472, 1172204372, 2344408744, 4688817488, 12601196999, 25202393998, 50404787996, 100809575992, 201619151984]

約数ペア:

[(1, 201619151984), (2, 100809575992), (4, 50404787996), (8, 25202393998), (16, 12601196999), (43, 4688817488), (86, 2344408744), (172, 1172204372), (197, 1023447472), (344, 586102186), (394, 511723736), (688, 293051093), (788, 255861868), (1576, 127930934), (3152, 63965467), (8471, 23801104), (16942, 11900552), (33884, 5950276), (67768, 2975138), (135536, 1487569)]