68389816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{40903}}^1$

素因数の和:40939

約数の個数: 32

約数和(自身を含む): 147254400

約数和(自身を除く): 78864584

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 40903, 81806, 163612, 327224, 449933, 777157, 899866, 1554314, 1799732, 3108628, 3599464, 6217256, 8548727, 17097454, 34194908, 68389816]

約数ペア:

[(1, 68389816), (2, 34194908), (4, 17097454), (8, 8548727), (11, 6217256), (19, 3599464), (22, 3108628), (38, 1799732), (44, 1554314), (76, 899866), (88, 777157), (152, 449933), (209, 327224), (418, 163612), (836, 81806), (1672, 40903)]