28954145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 40590720

約数和(自身を除く): 11636575

約数列:

[1, 5, 11, 17, 55, 85, 173, 179, 187, 865, 895, 935, 1903, 1969, 2941, 3043, 9515, 9845, 14705, 15215, 30967, 32351, 33473, 154835, 161755, 167365, 340637, 526439, 1703185, 2632195, 5790829, 28954145]

約数ペア:

[(1, 28954145), (5, 5790829), (11, 2632195), (17, 1703185), (55, 526439), (85, 340637), (173, 167365), (179, 161755), (187, 154835), (865, 33473), (895, 32351), (935, 30967), (1903, 15215), (1969, 14705), (2941, 9845), (3043, 9515)]