28278004

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 56548800

約数和(自身を除く): 28270796

約数列:

[1, 2, 4, 17, 19, 34, 38, 43, 68, 76, 86, 172, 323, 509, 646, 731, 817, 1018, 1292, 1462, 1634, 2036, 2924, 3268, 8653, 9671, 13889, 17306, 19342, 21887, 27778, 34612, 38684, 43774, 55556, 87548, 164407, 328814, 372079, 415853, 657628, 744158, 831706, 1488316, 1663412, 7069501, 14139002, 28278004]

約数ペア:

[(1, 28278004), (2, 14139002), (4, 7069501), (17, 1663412), (19, 1488316), (34, 831706), (38, 744158), (43, 657628), (68, 415853), (76, 372079), (86, 328814), (172, 164407), (323, 87548), (509, 55556), (646, 43774), (731, 38684), (817, 34612), (1018, 27778), (1292, 21887), (1462, 19342), (1634, 17306), (2036, 13889), (2924, 9671), (3268, 8653)]