75989815

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 107864064

約数和(自身を除く): 31874249

約数列:

[1, 5, 11, 23, 43, 55, 115, 121, 127, 215, 253, 473, 605, 635, 989, 1265, 1397, 2365, 2783, 2921, 4945, 5203, 5461, 6985, 10879, 13915, 14605, 15367, 26015, 27305, 32131, 54395, 60071, 76835, 119669, 125603, 160655, 300355, 353441, 598345, 628015, 660781, 1381633, 1767205, 3303905, 6908165, 15197963, 75989815]

約数ペア:

[(1, 75989815), (5, 15197963), (11, 6908165), (23, 3303905), (43, 1767205), (55, 1381633), (115, 660781), (121, 628015), (127, 598345), (215, 353441), (253, 300355), (473, 160655), (605, 125603), (635, 119669), (989, 76835), (1265, 60071), (1397, 54395), (2365, 32131), (2783, 27305), (2921, 26015), (4945, 15367), (5203, 14605), (5461, 13915), (6985, 10879)]