389403195136

素因数分解:

$2^8\times {\mathrm{29}}^1\times {\mathrm{3109}}^1\times {\mathrm{16871}}^1$

素因数の和:20025

約数の個数: 72

約数和(自身を含む): 804394533600

約数和(自身を除く): 414991338464

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 928, 1856, 3109, 3712, 6218, 7424, 12436, 16871, 24872, 33742, 49744, 67484, 90161, 99488, 134968, 180322, 198976, 269936, 360644, 397952, 489259, 539872, 721288, 795904, 978518, 1079744, 1442576, 1957036, 2159488, 2885152, 3914072, 4318976, 5770304, 7828144, 11540608, 15656288, 23081216, 31312576, 52451939, 62625152, 104903878, 125250304, 209807756, 419615512, 839231024, 1521106231, 1678462048, 3042212462, 3356924096, 6084424924, 6713848192, 12168849848, 13427696384, 24337699696, 48675399392, 97350798784, 194701597568, 389403195136]

約数ペア:

[(1, 389403195136), (2, 194701597568), (4, 97350798784), (8, 48675399392), (16, 24337699696), (29, 13427696384), (32, 12168849848), (58, 6713848192), (64, 6084424924), (116, 3356924096), (128, 3042212462), (232, 1678462048), (256, 1521106231), (464, 839231024), (928, 419615512), (1856, 209807756), (3109, 125250304), (3712, 104903878), (6218, 62625152), (7424, 52451939), (12436, 31312576), (16871, 23081216), (24872, 15656288), (33742, 11540608), (49744, 7828144), (67484, 5770304), (90161, 4318976), (99488, 3914072), (134968, 2885152), (180322, 2159488), (198976, 1957036), (269936, 1442576), (360644, 1079744), (397952, 978518), (489259, 795904), (539872, 721288)]