51304225

素因数分解:

$5^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 76979200

約数和(自身を除く): 25674975

約数列:

[1, 5, 7, 25, 31, 35, 49, 155, 175, 193, 217, 245, 343, 775, 965, 1085, 1225, 1351, 1519, 1715, 4825, 5425, 5983, 6755, 7595, 8575, 9457, 10633, 29915, 33775, 37975, 41881, 47285, 53165, 66199, 149575, 209405, 236425, 265825, 293167, 330995, 1047025, 1465835, 1654975, 2052169, 7329175, 10260845, 51304225]

約数ペア:

[(1, 51304225), (5, 10260845), (7, 7329175), (25, 2052169), (31, 1654975), (35, 1465835), (49, 1047025), (155, 330995), (175, 293167), (193, 265825), (217, 236425), (245, 209405), (343, 149575), (775, 66199), (965, 53165), (1085, 47285), (1225, 41881), (1351, 37975), (1519, 33775), (1715, 29915), (4825, 10633), (5425, 9457), (5983, 8575), (6755, 7595)]