81941584

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{61703}}^1$

素因数の和:61794

約数の個数: 20

約数和(自身を含む): 160677216

約数和(自身を除く): 78735632

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 61703, 123406, 246812, 493624, 987248, 5121349, 10242698, 20485396, 40970792, 81941584]

約数ペア:

[(1, 81941584), (2, 40970792), (4, 20485396), (8, 10242698), (16, 5121349), (83, 987248), (166, 493624), (332, 246812), (664, 123406), (1328, 61703)]