161990519806

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{21013}}^1\times {\mathrm{72727}}^1$

素因数の和:93795

約数の個数: 16

約数和(自身を含む): 247585603104

約数和(自身を除く): 85595083298

約数列:

[1, 2, 53, 106, 21013, 42026, 72727, 145454, 1113689, 2227378, 3854531, 7709062, 1528212451, 3056424902, 80995259903, 161990519806]

約数ペア:

[(1, 161990519806), (2, 80995259903), (53, 3056424902), (106, 1528212451), (21013, 7709062), (42026, 3854531), (72727, 2227378), (145454, 1113689)]