87140228

素因数分解:

$2^2\times 7^2\times {\mathrm{283}}^1\times {\mathrm{1571}}^1$

素因数の和:1872

約数の個数: 36

約数和(自身を含む): 178132752

約数和(自身を除く): 90992524

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 283, 566, 1132, 1571, 1981, 3142, 3962, 6284, 7924, 10997, 13867, 21994, 27734, 43988, 55468, 76979, 153958, 307916, 444593, 889186, 1778372, 3112151, 6224302, 12448604, 21785057, 43570114, 87140228]

約数ペア:

[(1, 87140228), (2, 43570114), (4, 21785057), (7, 12448604), (14, 6224302), (28, 3112151), (49, 1778372), (98, 889186), (196, 444593), (283, 307916), (566, 153958), (1132, 76979), (1571, 55468), (1981, 43988), (3142, 27734), (3962, 21994), (6284, 13867), (7924, 10997)]