87638512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{421339}}^1$

素因数の和:421360

約数の個数: 20

約数和(自身を含む): 182861560

約数和(自身を除く): 95223048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 421339, 842678, 1685356, 3370712, 5477407, 6741424, 10954814, 21909628, 43819256, 87638512]

約数ペア:

[(1, 87638512), (2, 43819256), (4, 21909628), (8, 10954814), (13, 6741424), (16, 5477407), (26, 3370712), (52, 1685356), (104, 842678), (208, 421339)]