67770475

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:615

約数の個数: 24

約数和(自身を含む): 86655168

約数和(自身を除く): 18884693

約数列:

[1, 5, 25, 47, 137, 235, 421, 685, 1175, 2105, 3425, 6439, 10525, 19787, 32195, 57677, 98935, 160975, 288385, 494675, 1441925, 2710819, 13554095, 67770475]

約数ペア:

[(1, 67770475), (5, 13554095), (25, 2710819), (47, 1441925), (137, 494675), (235, 288385), (421, 160975), (685, 98935), (1175, 57677), (2105, 32195), (3425, 19787), (6439, 10525)]