64131808

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4973}}^1$

素因数の和:5027

約数の個数: 48

約数和(自身を含む): 140386176

約数和(自身を除く): 76254368

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 3224, 4973, 6448, 9946, 12896, 19892, 39784, 64649, 79568, 129298, 154163, 159136, 258596, 308326, 517192, 616652, 1034384, 1233304, 2004119, 2068768, 2466608, 4008238, 4933216, 8016476, 16032952, 32065904, 64131808]

約数ペア:

[(1, 64131808), (2, 32065904), (4, 16032952), (8, 8016476), (13, 4933216), (16, 4008238), (26, 2466608), (31, 2068768), (32, 2004119), (52, 1233304), (62, 1034384), (104, 616652), (124, 517192), (208, 308326), (248, 258596), (403, 159136), (416, 154163), (496, 129298), (806, 79568), (992, 64649), (1612, 39784), (3224, 19892), (4973, 12896), (6448, 9946)]