1219997388

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{647557}}^1$

素因数の和:647721

約数の個数: 24

約数和(自身を含む): 2864796592

約数和(自身を除く): 1644799204

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 471, 628, 942, 1884, 647557, 1295114, 1942671, 2590228, 3885342, 7770684, 101666449, 203332898, 304999347, 406665796, 609998694, 1219997388]

約数ペア:

[(1, 1219997388), (2, 609998694), (3, 406665796), (4, 304999347), (6, 203332898), (12, 101666449), (157, 7770684), (314, 3885342), (471, 2590228), (628, 1942671), (942, 1295114), (1884, 647557)]