81919426

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1\times {\mathrm{2207}}^1$

素因数の和:2553

約数の個数: 16

約数和(自身を含む): 125220096

約数和(自身を除く): 43300670

約数列:

[1, 2, 67, 134, 277, 554, 2207, 4414, 18559, 37118, 147869, 295738, 611339, 1222678, 40959713, 81919426]

約数ペア:

[(1, 81919426), (2, 40959713), (67, 1222678), (134, 611339), (277, 295738), (554, 147869), (2207, 37118), (4414, 18559)]