256672128

素因数分解:

$2^7\times 3^1\times {\mathrm{668417}}^1$

素因数の和:668434

約数の個数: 32

約数和(自身を含む): 681786360

約数和(自身を除く): 425114232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 668417, 1336834, 2005251, 2673668, 4010502, 5347336, 8021004, 10694672, 16042008, 21389344, 32084016, 42778688, 64168032, 85557376, 128336064, 256672128]

約数ペア:

[(1, 256672128), (2, 128336064), (3, 85557376), (4, 64168032), (6, 42778688), (8, 32084016), (12, 21389344), (16, 16042008), (24, 10694672), (32, 8021004), (48, 5347336), (64, 4010502), (96, 2673668), (128, 2005251), (192, 1336834), (384, 668417)]