28700856

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{2539}}^1$

素因数の和:2708

約数の個数: 48

約数和(自身を含む): 78257400

約数和(自身を除く): 49556544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1884, 2539, 2826, 3768, 5078, 5652, 7617, 10156, 11304, 15234, 20312, 22851, 30468, 45702, 60936, 91404, 182808, 398623, 797246, 1195869, 1594492, 2391738, 3188984, 3587607, 4783476, 7175214, 9566952, 14350428, 28700856]

約数ペア:

[(1, 28700856), (2, 14350428), (3, 9566952), (4, 7175214), (6, 4783476), (8, 3587607), (9, 3188984), (12, 2391738), (18, 1594492), (24, 1195869), (36, 797246), (72, 398623), (157, 182808), (314, 91404), (471, 60936), (628, 45702), (942, 30468), (1256, 22851), (1413, 20312), (1884, 15234), (2539, 11304), (2826, 10156), (3768, 7617), (5078, 5652)]