257385536

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2087}}^1$

素因数の和:2187

約数の個数: 56

約数和(自身を含む): 534594816

約数和(自身を除く): 277209280

約数列:

[1, 2, 4, 8, 16, 32, 41, 47, 64, 82, 94, 164, 188, 328, 376, 656, 752, 1312, 1504, 1927, 2087, 2624, 3008, 3854, 4174, 7708, 8348, 15416, 16696, 30832, 33392, 61664, 66784, 85567, 98089, 123328, 133568, 171134, 196178, 342268, 392356, 684536, 784712, 1369072, 1569424, 2738144, 3138848, 4021649, 5476288, 6277696, 8043298, 16086596, 32173192, 64346384, 128692768, 257385536]

約数ペア:

[(1, 257385536), (2, 128692768), (4, 64346384), (8, 32173192), (16, 16086596), (32, 8043298), (41, 6277696), (47, 5476288), (64, 4021649), (82, 3138848), (94, 2738144), (164, 1569424), (188, 1369072), (328, 784712), (376, 684536), (656, 392356), (752, 342268), (1312, 196178), (1504, 171134), (1927, 133568), (2087, 123328), (2624, 98089), (3008, 85567), (3854, 66784), (4174, 61664), (7708, 33392), (8348, 30832), (15416, 16696)]