2139386879

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{485893}}^1$

素因数の和:485954

約数の個数: 16

約数和(自身を含む): 2658811968

約数和(自身を除く): 519425089

約数列:

[1, 7, 17, 37, 119, 259, 629, 4403, 485893, 3401251, 8260181, 17978041, 57821267, 125846287, 305626697, 2139386879]

約数ペア:

[(1, 2139386879), (7, 305626697), (17, 125846287), (37, 57821267), (119, 17978041), (259, 8260181), (629, 3401251), (4403, 485893)]