28746072

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{2543}}^1$

素因数の和:2712

約数の個数: 48

約数和(自身を含む): 78380640

約数和(自身を除く): 49634568

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1884, 2543, 2826, 3768, 5086, 5652, 7629, 10172, 11304, 15258, 20344, 22887, 30516, 45774, 61032, 91548, 183096, 399251, 798502, 1197753, 1597004, 2395506, 3194008, 3593259, 4791012, 7186518, 9582024, 14373036, 28746072]

約数ペア:

[(1, 28746072), (2, 14373036), (3, 9582024), (4, 7186518), (6, 4791012), (8, 3593259), (9, 3194008), (12, 2395506), (18, 1597004), (24, 1197753), (36, 798502), (72, 399251), (157, 183096), (314, 91548), (471, 61032), (628, 45774), (942, 30516), (1256, 22887), (1413, 20344), (1884, 15258), (2543, 11304), (2826, 10172), (3768, 7629), (5086, 5652)]