406427008

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{244247}}^1$

素因数の和:244274

約数の個数: 32

約数和(自身を含む): 871965360

約数和(自身を除く): 465538352

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 244247, 488494, 976988, 1953976, 3175211, 3907952, 6350422, 7815904, 12700844, 15631808, 25401688, 31263616, 50803376, 101606752, 203213504, 406427008]

約数ペア:

[(1, 406427008), (2, 203213504), (4, 101606752), (8, 50803376), (13, 31263616), (16, 25401688), (26, 15631808), (32, 12700844), (52, 7815904), (64, 6350422), (104, 3907952), (128, 3175211), (208, 1953976), (416, 976988), (832, 488494), (1664, 244247)]