256177792

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{153953}}^1$

素因数の和:153980

約数の個数: 32

約数和(自身を含む): 549615780

約数和(自身を除く): 293437988

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 153953, 307906, 615812, 1231624, 2001389, 2463248, 4002778, 4926496, 8005556, 9852992, 16011112, 19705984, 32022224, 64044448, 128088896, 256177792]

約数ペア:

[(1, 256177792), (2, 128088896), (4, 64044448), (8, 32022224), (13, 19705984), (16, 16011112), (26, 9852992), (32, 8005556), (52, 4926496), (64, 4002778), (104, 2463248), (128, 2001389), (208, 1231624), (416, 615812), (832, 307906), (1664, 153953)]