561138844

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{1019}}^1$

素因数の和:1378

約数の個数: 48

約数和(自身を含む): 1143313920

約数和(自身を除く): 582175076

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 277, 284, 497, 554, 994, 1019, 1108, 1939, 1988, 2038, 3878, 4076, 7133, 7756, 14266, 19667, 28532, 39334, 72349, 78668, 137669, 144698, 275338, 282263, 289396, 506443, 550676, 564526, 1012886, 1129052, 1975841, 2025772, 3951682, 7903364, 20040673, 40081346, 80162692, 140284711, 280569422, 561138844]

約数ペア:

[(1, 561138844), (2, 280569422), (4, 140284711), (7, 80162692), (14, 40081346), (28, 20040673), (71, 7903364), (142, 3951682), (277, 2025772), (284, 1975841), (497, 1129052), (554, 1012886), (994, 564526), (1019, 550676), (1108, 506443), (1939, 289396), (1988, 282263), (2038, 275338), (3878, 144698), (4076, 137669), (7133, 78668), (7756, 72349), (14266, 39334), (19667, 28532)]