289678874

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{55219}}^1$

素因数の和:55325

約数の個数: 16

約数和(自身を含む): 451920480

約数和(自身を除く): 162241606

約数列:

[1, 2, 43, 61, 86, 122, 2623, 5246, 55219, 110438, 2374417, 3368359, 4748834, 6736718, 144839437, 289678874]

約数ペア:

[(1, 289678874), (2, 144839437), (43, 6736718), (61, 4748834), (86, 3368359), (122, 2374417), (2623, 110438), (5246, 55219)]