8902978

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:718

約数の個数: 32

約数和(自身を含む): 16321536

約数和(自身を除く): 7418558

約数列:

[1, 2, 7, 14, 23, 43, 46, 86, 161, 301, 322, 602, 643, 989, 1286, 1978, 4501, 6923, 9002, 13846, 14789, 27649, 29578, 55298, 103523, 193543, 207046, 387086, 635927, 1271854, 4451489, 8902978]

約数ペア:

[(1, 8902978), (2, 4451489), (7, 1271854), (14, 635927), (23, 387086), (43, 207046), (46, 193543), (86, 103523), (161, 55298), (301, 29578), (322, 27649), (602, 14789), (643, 13846), (989, 9002), (1286, 6923), (1978, 4501)]