25678568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4391}}^1$

素因数の和:4457

約数の個数: 32

約数和(自身を含む): 52176960

約数和(自身を除く): 26498392

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 4391, 5848, 8782, 17564, 35128, 74647, 149294, 188813, 298588, 377626, 597176, 755252, 1510504, 3209821, 6419642, 12839284, 25678568]

約数ペア:

[(1, 25678568), (2, 12839284), (4, 6419642), (8, 3209821), (17, 1510504), (34, 755252), (43, 597176), (68, 377626), (86, 298588), (136, 188813), (172, 149294), (344, 74647), (731, 35128), (1462, 17564), (2924, 8782), (4391, 5848)]