2905128

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 7948980

約数和(自身を除く): 5043852

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 257, 314, 471, 514, 628, 771, 942, 1028, 1256, 1413, 1542, 1884, 2056, 2313, 2826, 3084, 3768, 4626, 5652, 6168, 9252, 11304, 18504, 40349, 80698, 121047, 161396, 242094, 322792, 363141, 484188, 726282, 968376, 1452564, 2905128]

約数ペア:

[(1, 2905128), (2, 1452564), (3, 968376), (4, 726282), (6, 484188), (8, 363141), (9, 322792), (12, 242094), (18, 161396), (24, 121047), (36, 80698), (72, 40349), (157, 18504), (257, 11304), (314, 9252), (471, 6168), (514, 5652), (628, 4626), (771, 3768), (942, 3084), (1028, 2826), (1256, 2313), (1413, 2056), (1542, 1884)]