127289872

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{77239}}^1$

素因数の和:77350

約数の個数: 20

約数和(自身を含む): 249021760

約数和(自身を除く): 121731888

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 77239, 154478, 308956, 617912, 1235824, 7955617, 15911234, 31822468, 63644936, 127289872]

約数ペア:

[(1, 127289872), (2, 63644936), (4, 31822468), (8, 15911234), (16, 7955617), (103, 1235824), (206, 617912), (412, 308956), (824, 154478), (1648, 77239)]