127806512

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{194827}}^1$

素因数の和:194876

約数の個数: 20

約数和(自身を含む): 253666056

約数和(自身を除く): 125859544

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 194827, 389654, 779308, 1558616, 3117232, 7987907, 15975814, 31951628, 63903256, 127806512]

約数ペア:

[(1, 127806512), (2, 63903256), (4, 31951628), (8, 15975814), (16, 7987907), (41, 3117232), (82, 1558616), (164, 779308), (328, 389654), (656, 194827)]