2081668144

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{494693}}^1$

素因数の和:494964

約数の個数: 20

約数和(自身を含む): 4048575696

約数和(自身を除く): 1966907552

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 494693, 989386, 1978772, 3957544, 7915088, 130104259, 260208518, 520417036, 1040834072, 2081668144]

約数ペア:

[(1, 2081668144), (2, 1040834072), (4, 520417036), (8, 260208518), (16, 130104259), (263, 7915088), (526, 3957544), (1052, 1978772), (2104, 989386), (4208, 494693)]