917858048

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:677

約数の個数: 72

約数和(自身を含む): 1888656000

約数和(自身を除く): 970797952

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 199, 256, 344, 398, 419, 688, 796, 838, 1376, 1592, 1676, 2752, 3184, 3352, 5504, 6368, 6704, 8557, 11008, 12736, 13408, 17114, 18017, 25472, 26816, 34228, 36034, 50944, 53632, 68456, 72068, 83381, 107264, 136912, 144136, 166762, 273824, 288272, 333524, 547648, 576544, 667048, 1095296, 1153088, 1334096, 2190592, 2306176, 2668192, 3585383, 4612352, 5336384, 7170766, 10672768, 14341532, 21345536, 28683064, 57366128, 114732256, 229464512, 458929024, 917858048]

約数ペア:

[(1, 917858048), (2, 458929024), (4, 229464512), (8, 114732256), (16, 57366128), (32, 28683064), (43, 21345536), (64, 14341532), (86, 10672768), (128, 7170766), (172, 5336384), (199, 4612352), (256, 3585383), (344, 2668192), (398, 2306176), (419, 2190592), (688, 1334096), (796, 1153088), (838, 1095296), (1376, 667048), (1592, 576544), (1676, 547648), (2752, 333524), (3184, 288272), (3352, 273824), (5504, 166762), (6368, 144136), (6704, 136912), (8557, 107264), (11008, 83381), (12736, 72068), (13408, 68456), (17114, 53632), (18017, 50944), (25472, 36034), (26816, 34228)]