128667512

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{392279}}^1$

素因数の和:392326

約数の個数: 16

約数和(自身を含む): 247136400

約数和(自身を除く): 118468888

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 392279, 784558, 1569116, 3138232, 16083439, 32166878, 64333756, 128667512]

約数ペア:

[(1, 128667512), (2, 64333756), (4, 32166878), (8, 16083439), (41, 3138232), (82, 1569116), (164, 784558), (328, 392279)]