16591330689

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{661}}^1\times {\mathrm{2087}}^1$

素因数の和:2981

約数の個数: 32

約数和(自身を含む): 23443061760

約数和(自身を除く): 6851731071

約数列:

[1, 3, 19, 57, 211, 633, 661, 1983, 2087, 4009, 6261, 12027, 12559, 37677, 39653, 118959, 139471, 418413, 440357, 1321071, 1379507, 2649949, 4138521, 7949847, 8366783, 25100349, 26210633, 78631899, 291075977, 873227931, 5530443563, 16591330689]

約数ペア:

[(1, 16591330689), (3, 5530443563), (19, 873227931), (57, 291075977), (211, 78631899), (633, 26210633), (661, 25100349), (1983, 8366783), (2087, 7949847), (4009, 4138521), (6261, 2649949), (12027, 1379507), (12559, 1321071), (37677, 440357), (39653, 418413), (118959, 139471)]