78468278

素因数分解:

$2^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{17681}}^1$

素因数の和:18007

約数の個数: 16

約数和(自身を含む): 134949024

約数和(自身を除く): 56480746

約数列:

[1, 2, 7, 14, 317, 634, 2219, 4438, 17681, 35362, 123767, 247534, 5604877, 11209754, 39234139, 78468278]

約数ペア:

[(1, 78468278), (2, 39234139), (7, 11209754), (14, 5604877), (317, 247534), (634, 123767), (2219, 35362), (4438, 17681)]