198971478

素因数分解:

$2^1\times 3^4\times {\mathrm{1228219}}^1$

素因数の和:1228233

約数の個数: 20

約数和(自身を含む): 445843860

約数和(自身を除く): 246872382

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1228219, 2456438, 3684657, 7369314, 11053971, 22107942, 33161913, 66323826, 99485739, 198971478]

約数ペア:

[(1, 198971478), (2, 99485739), (3, 66323826), (6, 33161913), (9, 22107942), (18, 11053971), (27, 7369314), (54, 3684657), (81, 2456438), (162, 1228219)]