1388188030

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1273567}}^1$

素因数の和:1273683

約数の個数: 16

約数和(自身を含む): 2521664640

約数和(自身を除く): 1133476610

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 1273567, 2547134, 6367835, 12735670, 138818803, 277637606, 694094015, 1388188030]

約数ペア:

[(1, 1388188030), (2, 694094015), (5, 277637606), (10, 138818803), (109, 12735670), (218, 6367835), (545, 2547134), (1090, 1273567)]