161980394

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{1187}}^1$

素因数の和:1322

約数の個数: 24

約数和(自身を含む): 254811744

約数和(自身を除く): 92831350

約数列:

[1, 2, 31, 62, 71, 142, 961, 1187, 1922, 2201, 2374, 4402, 36797, 68231, 73594, 84277, 136462, 168554, 1140707, 2281414, 2612587, 5225174, 80990197, 161980394]

約数ペア:

[(1, 161980394), (2, 80990197), (31, 5225174), (62, 2612587), (71, 2281414), (142, 1140707), (961, 168554), (1187, 136462), (1922, 84277), (2201, 73594), (2374, 68231), (4402, 36797)]