491750896

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{337741}}^1$

素因数の和:337769

約数の個数: 40

約数和(自身を含む): 1172640224

約数和(自身を除く): 680889328

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 337741, 675482, 1350964, 2364187, 2701928, 4390633, 4728374, 5403856, 8781266, 9456748, 17562532, 18913496, 30734431, 35125064, 37826992, 61468862, 70250128, 122937724, 245875448, 491750896]

約数ペア:

[(1, 491750896), (2, 245875448), (4, 122937724), (7, 70250128), (8, 61468862), (13, 37826992), (14, 35125064), (16, 30734431), (26, 18913496), (28, 17562532), (52, 9456748), (56, 8781266), (91, 5403856), (104, 4728374), (112, 4390633), (182, 2701928), (208, 2364187), (364, 1350964), (728, 675482), (1456, 337741)]