25760163

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 42163200

約数和(自身を除く): 16403037

約数列:

[1, 3, 11, 13, 31, 33, 39, 93, 143, 149, 169, 341, 403, 429, 447, 507, 1023, 1209, 1639, 1859, 1937, 4433, 4619, 4917, 5239, 5577, 5811, 13299, 13857, 15717, 21307, 25181, 50809, 57629, 60047, 63921, 75543, 152427, 172887, 180141, 276991, 660517, 780611, 830973, 1981551, 2341833, 8586721, 25760163]

約数ペア:

[(1, 25760163), (3, 8586721), (11, 2341833), (13, 1981551), (31, 830973), (33, 780611), (39, 660517), (93, 276991), (143, 180141), (149, 172887), (169, 152427), (341, 75543), (403, 63921), (429, 60047), (447, 57629), (507, 50809), (1023, 25181), (1209, 21307), (1639, 15717), (1859, 13857), (1937, 13299), (4433, 5811), (4619, 5577), (4917, 5239)]