81958384

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{222713}}^1$

素因数の和:222744

約数の個数: 20

約数和(自身を含む): 165699216

約数和(自身を除く): 83740832

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 222713, 445426, 890852, 1781704, 3563408, 5122399, 10244798, 20489596, 40979192, 81958384]

約数ペア:

[(1, 81958384), (2, 40979192), (4, 20489596), (8, 10244798), (16, 5122399), (23, 3563408), (46, 1781704), (92, 890852), (184, 445426), (368, 222713)]