12997136

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{9787}}^1$

素因数の和:9878

約数の個数: 20

約数和(自身を含む): 25487952

約数和(自身を除く): 12490816

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 9787, 19574, 39148, 78296, 156592, 812321, 1624642, 3249284, 6498568, 12997136]

約数ペア:

[(1, 12997136), (2, 6498568), (4, 3249284), (8, 1624642), (16, 812321), (83, 156592), (166, 78296), (332, 39148), (664, 19574), (1328, 9787)]