51491188

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 106444800

約数和(自身を除く): 54953612

約数列:

[1, 2, 4, 7, 14, 28, 59, 71, 118, 142, 236, 284, 413, 439, 497, 826, 878, 994, 1652, 1756, 1988, 3073, 4189, 6146, 8378, 12292, 16756, 25901, 29323, 31169, 51802, 58646, 62338, 103604, 117292, 124676, 181307, 218183, 362614, 436366, 725228, 872732, 1838971, 3677942, 7355884, 12872797, 25745594, 51491188]

約数ペア:

[(1, 51491188), (2, 25745594), (4, 12872797), (7, 7355884), (14, 3677942), (28, 1838971), (59, 872732), (71, 725228), (118, 436366), (142, 362614), (236, 218183), (284, 181307), (413, 124676), (439, 117292), (497, 103604), (826, 62338), (878, 58646), (994, 51802), (1652, 31169), (1756, 29323), (1988, 25901), (3073, 16756), (4189, 12292), (6146, 8378)]