81749776

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{9173}}^1$

素因数の和:9738

約数の個数: 20

約数和(自身を含む): 158691852

約数和(自身を除く): 76942076

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2228, 4456, 8912, 9173, 18346, 36692, 73384, 146768, 5109361, 10218722, 20437444, 40874888, 81749776]

約数ペア:

[(1, 81749776), (2, 40874888), (4, 20437444), (8, 10218722), (16, 5109361), (557, 146768), (1114, 73384), (2228, 36692), (4456, 18346), (8912, 9173)]