20161655992

素因数分解:

$2^3\times {\mathrm{211}}^1\times {\mathrm{11944109}}^1$

素因数の和:11944326

約数の個数: 16

約数和(自身を含む): 37982269800

約数和(自身を除く): 17820613808

約数列:

[1, 2, 4, 8, 211, 422, 844, 1688, 11944109, 23888218, 47776436, 95552872, 2520206999, 5040413998, 10080827996, 20161655992]

約数ペア:

[(1, 20161655992), (2, 10080827996), (4, 5040413998), (8, 2520206999), (211, 95552872), (422, 47776436), (844, 23888218), (1688, 11944109)]