31302728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2039}}^1$

素因数の和:2165

約数の個数: 32

約数和(自身を含む): 62424000

約数和(自身を除く): 31121272

約数列:

[1, 2, 4, 8, 19, 38, 76, 101, 152, 202, 404, 808, 1919, 2039, 3838, 4078, 7676, 8156, 15352, 16312, 38741, 77482, 154964, 205939, 309928, 411878, 823756, 1647512, 3912841, 7825682, 15651364, 31302728]

約数ペア:

[(1, 31302728), (2, 15651364), (4, 7825682), (8, 3912841), (19, 1647512), (38, 823756), (76, 411878), (101, 309928), (152, 205939), (202, 154964), (404, 77482), (808, 38741), (1919, 16312), (2039, 15352), (3838, 8156), (4078, 7676)]