28125548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1979}}^1$

素因数の和:2030

約数の個数: 48

約数和(自身を含む): 59875200

約数和(自身を除く): 31749652

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 38, 44, 68, 76, 187, 209, 323, 374, 418, 646, 748, 836, 1292, 1979, 3553, 3958, 7106, 7916, 14212, 21769, 33643, 37601, 43538, 67286, 75202, 87076, 134572, 150404, 370073, 413611, 639217, 740146, 827222, 1278434, 1480292, 1654444, 2556868, 7031387, 14062774, 28125548]

約数ペア:

[(1, 28125548), (2, 14062774), (4, 7031387), (11, 2556868), (17, 1654444), (19, 1480292), (22, 1278434), (34, 827222), (38, 740146), (44, 639217), (68, 413611), (76, 370073), (187, 150404), (209, 134572), (323, 87076), (374, 75202), (418, 67286), (646, 43538), (748, 37601), (836, 33643), (1292, 21769), (1979, 14212), (3553, 7916), (3958, 7106)]