81372412

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{907}}^1\times {\mathrm{2039}}^1$

素因数の和:2961

約数の個数: 24

約数和(自身を含む): 155594880

約数和(自身を除く): 74222468

約数列:

[1, 2, 4, 11, 22, 44, 907, 1814, 2039, 3628, 4078, 8156, 9977, 19954, 22429, 39908, 44858, 89716, 1849373, 3698746, 7397492, 20343103, 40686206, 81372412]

約数ペア:

[(1, 81372412), (2, 40686206), (4, 20343103), (11, 7397492), (22, 3698746), (44, 1849373), (907, 89716), (1814, 44858), (2039, 39908), (3628, 22429), (4078, 19954), (8156, 9977)]