28354802

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 54574080

約数和(自身を除く): 26219278

約数列:

[1, 2, 7, 14, 19, 37, 38, 43, 67, 74, 86, 133, 134, 259, 266, 301, 469, 518, 602, 703, 817, 938, 1273, 1406, 1591, 1634, 2479, 2546, 2881, 3182, 4921, 4958, 5719, 5762, 8911, 9842, 11137, 11438, 17353, 17822, 20167, 22274, 30229, 34706, 40334, 47101, 54739, 60458, 94202, 106597, 109478, 211603, 213194, 329707, 383173, 423206, 659414, 746179, 766346, 1492358, 2025343, 4050686, 14177401, 28354802]

約数ペア:

[(1, 28354802), (2, 14177401), (7, 4050686), (14, 2025343), (19, 1492358), (37, 766346), (38, 746179), (43, 659414), (67, 423206), (74, 383173), (86, 329707), (133, 213194), (134, 211603), (259, 109478), (266, 106597), (301, 94202), (469, 60458), (518, 54739), (602, 47101), (703, 40334), (817, 34706), (938, 30229), (1273, 22274), (1406, 20167), (1591, 17822), (1634, 17353), (2479, 11438), (2546, 11137), (2881, 9842), (3182, 8911), (4921, 5762), (4958, 5719)]