78691678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{27767}}^1$

素因数の和:27891

約数の個数: 16

約数和(自身を含む): 128288160

約数和(自身を除く): 49596482

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 27767, 55534, 360971, 721942, 3026603, 6053206, 39345839, 78691678]

約数ペア:

[(1, 78691678), (2, 39345839), (13, 6053206), (26, 3026603), (109, 721942), (218, 360971), (1417, 55534), (2834, 27767)]