1620809320753

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{81439}}^1\times {\mathrm{20753}}^1$

素因数の和:102336

約数の個数: 16

約数和(自身を含む): 1865987159040

約数和(自身を除く): 245177838287

約数列:

[1, 7, 137, 959, 20753, 81439, 145271, 570073, 2843161, 11157143, 19902127, 78100001, 1690103567, 11830724969, 231544188679, 1620809320753]

約数ペア:

[(1, 1620809320753), (7, 231544188679), (137, 11830724969), (959, 1690103567), (20753, 78100001), (81439, 19902127), (145271, 11157143), (570073, 2843161)]