138486572

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{27631}}^1$

素因数の和:27821

約数の個数: 24

約数和(自身を含む): 278530560

約数和(自身を除く): 140043988

約数列:

[1, 2, 4, 7, 14, 28, 179, 358, 716, 1253, 2506, 5012, 27631, 55262, 110524, 193417, 386834, 773668, 4945949, 9891898, 19783796, 34621643, 69243286, 138486572]

約数ペア:

[(1, 138486572), (2, 69243286), (4, 34621643), (7, 19783796), (14, 9891898), (28, 4945949), (179, 773668), (358, 386834), (716, 193417), (1253, 110524), (2506, 55262), (5012, 27631)]