128997218

素因数分解:

$2^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{9431}}^1$

素因数の和:10417

約数の個数: 16

約数和(自身を含む): 221387904

約数和(自身を除く): 92390686

約数列:

[1, 2, 7, 14, 977, 1954, 6839, 9431, 13678, 18862, 66017, 132034, 9214087, 18428174, 64498609, 128997218]

約数ペア:

[(1, 128997218), (2, 64498609), (7, 18428174), (14, 9214087), (977, 132034), (1954, 66017), (6839, 18862), (9431, 13678)]