28874923

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 37992960

約数和(自身を除く): 9118037

約数列:

[1, 7, 11, 29, 67, 77, 193, 203, 319, 469, 737, 1351, 1943, 2123, 2233, 5159, 5597, 12931, 13601, 14861, 21373, 39179, 61567, 90517, 142241, 149611, 374999, 430969, 995687, 2624993, 4124989, 28874923]

約数ペア:

[(1, 28874923), (7, 4124989), (11, 2624993), (29, 995687), (67, 430969), (77, 374999), (193, 149611), (203, 142241), (319, 90517), (469, 61567), (737, 39179), (1351, 21373), (1943, 14861), (2123, 13601), (2233, 12931), (5159, 5597)]