638535752

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{421}}^1\times {\mathrm{8243}}^1$

素因数の和:8693

約数の個数: 32

約数和(自身を含む): 1252428480

約数和(自身を除く): 613892728

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 421, 842, 1684, 3368, 8243, 9683, 16486, 19366, 32972, 38732, 65944, 77464, 189589, 379178, 758356, 1516712, 3470303, 6940606, 13881212, 27762424, 79816969, 159633938, 319267876, 638535752]

約数ペア:

[(1, 638535752), (2, 319267876), (4, 159633938), (8, 79816969), (23, 27762424), (46, 13881212), (92, 6940606), (184, 3470303), (421, 1516712), (842, 758356), (1684, 379178), (3368, 189589), (8243, 77464), (9683, 65944), (16486, 38732), (19366, 32972)]