164394448

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{123791}}^1$

素因数の和:123882

約数の個数: 20

約数和(自身を含む): 322354368

約数和(自身を除く): 157959920

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 123791, 247582, 495164, 990328, 1980656, 10274653, 20549306, 41098612, 82197224, 164394448]

約数ペア:

[(1, 164394448), (2, 82197224), (4, 41098612), (8, 20549306), (16, 10274653), (83, 1980656), (166, 990328), (332, 495164), (664, 247582), (1328, 123791)]