98678391

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1\times {\mathrm{251}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 153312768

約数和(自身を除く): 54634377

約数列:

[1, 3, 7, 21, 97, 193, 251, 291, 579, 679, 753, 1351, 1757, 2037, 4053, 5271, 18721, 24347, 48443, 56163, 73041, 131047, 145329, 170429, 339101, 393141, 511287, 1017303, 4698971, 14096913, 32892797, 98678391]

約数ペア:

[(1, 98678391), (3, 32892797), (7, 14096913), (21, 4698971), (97, 1017303), (193, 511287), (251, 393141), (291, 339101), (579, 170429), (679, 145329), (753, 131047), (1351, 73041), (1757, 56163), (2037, 48443), (4053, 24347), (5271, 18721)]