256754295

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{3863}}^1$

素因数の和:4092

約数の個数: 48

約数和(自身を含む): 511160832

約数和(自身を除く): 254406537

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 211, 315, 633, 1055, 1477, 1899, 3165, 3863, 4431, 7385, 9495, 11589, 13293, 19315, 22155, 27041, 34767, 57945, 66465, 81123, 135205, 173835, 243369, 405615, 815093, 1216845, 2445279, 4075465, 5705651, 7335837, 12226395, 17116953, 28528255, 36679185, 51350859, 85584765, 256754295]

約数ペア:

[(1, 256754295), (3, 85584765), (5, 51350859), (7, 36679185), (9, 28528255), (15, 17116953), (21, 12226395), (35, 7335837), (45, 5705651), (63, 4075465), (105, 2445279), (211, 1216845), (315, 815093), (633, 405615), (1055, 243369), (1477, 173835), (1899, 135205), (3165, 81123), (3863, 66465), (4431, 57945), (7385, 34767), (9495, 27041), (11589, 22155), (13293, 19315)]