81154928

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{266957}}^1$

素因数の和:266984

約数の個数: 20

約数和(自身を含む): 165513960

約数和(自身を除く): 84359032

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 266957, 533914, 1067828, 2135656, 4271312, 5072183, 10144366, 20288732, 40577464, 81154928]

約数ペア:

[(1, 81154928), (2, 40577464), (4, 20288732), (8, 10144366), (16, 5072183), (19, 4271312), (38, 2135656), (76, 1067828), (152, 533914), (304, 266957)]