90017998

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{39937}}^1$

素因数の和:39976

約数の個数: 24

約数和(自身を含む): 163905552

約数和(自身を除く): 73887554

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 39937, 79874, 279559, 559118, 918551, 1837102, 1956913, 3913826, 6429857, 12859714, 45008999, 90017998]

約数ペア:

[(1, 90017998), (2, 45008999), (7, 12859714), (14, 6429857), (23, 3913826), (46, 1956913), (49, 1837102), (98, 918551), (161, 559118), (322, 279559), (1127, 79874), (2254, 39937)]