256885552

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{208511}}^1$

素因数の和:208537

約数の個数: 40

約数和(自身を含む): 620531712

約数和(自身を除く): 363646160

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 208511, 417022, 834044, 1459577, 1668088, 2293621, 2919154, 3336176, 4587242, 5838308, 9174484, 11676616, 16055347, 18348968, 23353232, 32110694, 36697936, 64221388, 128442776, 256885552]

約数ペア:

[(1, 256885552), (2, 128442776), (4, 64221388), (7, 36697936), (8, 32110694), (11, 23353232), (14, 18348968), (16, 16055347), (22, 11676616), (28, 9174484), (44, 5838308), (56, 4587242), (77, 3336176), (88, 2919154), (112, 2293621), (154, 1668088), (176, 1459577), (308, 834044), (616, 417022), (1232, 208511)]