138247316

素因数分解:

$2^2\times {\mathrm{109}}^2\times {\mathrm{2909}}^1$

素因数の和:3131

約数の個数: 18

約数和(自身を含む): 244256670

約数和(自身を除く): 106009354

約数列:

[1, 2, 4, 109, 218, 436, 2909, 5818, 11636, 11881, 23762, 47524, 317081, 634162, 1268324, 34561829, 69123658, 138247316]

約数ペア:

[(1, 138247316), (2, 69123658), (4, 34561829), (109, 1268324), (218, 634162), (436, 317081), (2909, 47524), (5818, 23762), (11636, 11881)]