120989872

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{20947}}^1$

素因数の和:20993

約数の個数: 30

約数和(自身を含む): 247416828

約数和(自身を除く): 126426956

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 5776, 20947, 41894, 83788, 167576, 335152, 397993, 795986, 1591972, 3183944, 6367888, 7561867, 15123734, 30247468, 60494936, 120989872]

約数ペア:

[(1, 120989872), (2, 60494936), (4, 30247468), (8, 15123734), (16, 7561867), (19, 6367888), (38, 3183944), (76, 1591972), (152, 795986), (304, 397993), (361, 335152), (722, 167576), (1444, 83788), (2888, 41894), (5776, 20947)]