638346328

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{15289}}^1$

素因数の和:15619

約数の個数: 32

約数和(自身を含む): 1271516400

約数和(自身を除く): 633170072

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 307, 614, 1228, 2456, 5219, 10438, 15289, 20876, 30578, 41752, 61156, 122312, 259913, 519826, 1039652, 2079304, 4693723, 9387446, 18774892, 37549784, 79793291, 159586582, 319173164, 638346328]

約数ペア:

[(1, 638346328), (2, 319173164), (4, 159586582), (8, 79793291), (17, 37549784), (34, 18774892), (68, 9387446), (136, 4693723), (307, 2079304), (614, 1039652), (1228, 519826), (2456, 259913), (5219, 122312), (10438, 61156), (15289, 41752), (20876, 30578)]